teaching vocabulary

1. space /speɪs/

2. space /speɪs/

3. space /speɪs/

4. space /speɪs/

5. space /speɪs/
 noun U

6. space /speɪs/
 noun U
 the area beyond the atmosphere (air) of the
earth

7. space /speɪs/
 noun U
 the area beyond the atmosphere (air) of the
earth
 space travel

8. space /speɪs/
 noun U
 the area beyond the atmosphere (air) of the
earth
 space travel
 Space exploration

9. space /speɪs/
 noun U
 the area beyond the atmosphere (air) of the
earth
 space travel
 Space exploration
 فضا

10. Word formation
 space /speɪs/ noun C/U
 space /speɪs/ verb T
 spacing /ˈspeɪ·sɪŋ/ noun U
 spacious /ˈspeɪ·ʃəs/ adjective
 having a lot of space
 A spacious house is comfortable.

11. outer space
 noun U
 the universe beyond the earth’s atmosphere
the air surrounding the earth .

12. space-age
 adjective
 very modern and using complicated
electronics or equipment
 عصر فضا

13. space shuttle

14. space shuttle

15. space shuttle

16. space shuttle

17. space shuttle
 noun C
 a vehicle that takes people into space and
comes back to Earth again
 شاتل فضایی

18. space station

19. space station

20. space station

21. space station
 noun C
 a structure in space where people can live and
work
 ایستگاه فضایی

22. explore /ɪkˈsplɔːr, -
ˈsploʊr/

23. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T

24. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T
 to travel to a new place to learn about it or
become familiar with it

25. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T
 to travel to a new place to learn about it or
become familiar with it
 T: They set out to explore the city.

26. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T
 to travel to a new place to learn about it or
become familiar with it
 T: They set out to explore the city.
 exploration /ˌek·spləˈreɪ·ʃən/ noun C/U

27. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T
 to travel to a new place to learn about it or
become familiar with it
 T: They set out to explore the city.
 exploration /ˌek·spləˈreɪ·ʃən/ noun C/U
 U oil/gas exploration

28. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T
 to travel to a new place to learn about it or
become familiar with it
 T: They set out to explore the city.
 exploration /ˌek·spləˈreɪ·ʃən/ noun C/U
 U oil/gas exploration
 U space exploration

29. explore /ɪkˈsplɔːr, -ˈsploʊr/
 verb I/T
 to travel to a new place to learn about it or
become familiar with it
 T: They set out to explore the city.
 exploration /ˌek·spləˈreɪ·ʃən/ noun C/U
 U oil/gas exploration
 U space exploration
 explorer /ɪkˈsplɔːr·ər, ɪkˈsploʊr·ər/ noun C

30. solar system

31. solar system

32. solar system

33. solar system

34. solar system
 noun C

35. solar system
 noun C
 the sun and the group of planets that move
around it, or a similar system somewhere else
in the universe

36. solar system
 noun C
 the sun and the group of planets that move
around it, or a similar system somewhere else
in the universe
 منظومه خورشیدی

37. planet /ˈplæn·ət/

38. planet /ˈplæn·ət/

39. planet /ˈplæn·ət/

40. planet /ˈplæn·ət/

41. planet /ˈplæn·ət/

42. planet /ˈplæn·ət/

43. planet /ˈplæn·ət/

44. planet /ˈplæn·ət/
 noun C

45. planet /ˈplæn·ət/
 noun C
 an extremely large, round mass of matter,
such as Earth or Mars, that moves in a
circular path around the sun or another star

46. planet /ˈplæn·ət/
 noun C
 an extremely large, round mass of matter,
such as Earth or Mars, that moves in a
circular path around the sun or another star
 سیاره

47. planet /ˈplæn·ət/
 noun C
 an extremely large, round mass of matter,
such as Earth or Mars, that moves in a
circular path around the sun or another star
 سیاره
 planetary /ˈplæn·əˌter·i/ adjective

48. planet /ˈplæn·ət/
 noun C
 an extremely large, round mass of matter,
such as Earth or Mars, that moves in a
circular path around the sun or another star
 سیاره
 planetary /ˈplæn·əˌter·i/ adjective
 planetary scientists

49. planet /ˈplæn·ət/
 noun C
 an extremely large, round mass of matter,
such as Earth or Mars, that moves in a
circular path around the sun or another star
 سیاره
 planetary /ˈplæn·əˌter·i/ adjective
 planetary scientists
 سیاره ای

50. Mercury /ˈmɜr·kjə·ri/

51. Mercury /ˈmɜr·kjə·ri/

52. Mercury /ˈmɜr·kjə·ri/

53. Mercury /ˈmɜr·kjə·ri/

54. Mercury /ˈmɜr·kjə·ri/
 noun U

55. Mercury /ˈmɜr·kjə·ri/
 noun U
 the planet nearest in distance to the sun

56. Mercury /ˈmɜr·kjə·ri/
 noun U
 the planet nearest in distance to the sun
 عطارد

57. Venus /ˈviː·nəs/

58. Venus /ˈviː·nəs/

59. Venus /ˈviː·nəs/

60. Venus /ˈviː·nəs/
 noun U

61. Venus /ˈviː·nəs/
 noun U
 the planet second in order of distance from
the sun, after Mercury and before the earth
See picture: solar system

62. Venus /ˈviː·nəs/
 noun U
 the planet second in order of distance from
the sun, after Mercury and before the earth
See picture: solar system
 زهره

63. earth /ɜrθ/

64. earth /ɜrθ/

65. earth /ɜrθ/

66. earth /ɜrθ/
 noun U

67. earth /ɜrθ/
 noun U
 the planet third in order of distance from the
sun, after Venus and before Mars; the world
on which we live

68. earth /ɜrθ/
 noun U
 the planet third in order of distance from the
sun, after Venus and before Mars; the world
on which we live
 Earth looks incredibly beautiful from space.

69. earth /ɜrθ/
 noun U
 the planet third in order of distance from the
sun, after Venus and before Mars; the world
on which we live
 Earth looks incredibly beautiful from space.
 earthly /ˈɜrθ·li/ adjective not gradable

70. earth /ɜrθ/
 noun U
 the planet third in order of distance from the
sun, after Venus and before Mars; the world
on which we live
 Earth looks incredibly beautiful from space.
 earthly /ˈɜrθ·li/ adjective not gradable
 happening in or related to the physical world
or real life

71. earth /ɜrθ/
 noun U
 the planet third in order of distance from the
sun, after Venus and before Mars; the world
on which we live
 Earth looks incredibly beautiful from space.
 earthly /ˈɜrθ·li/ adjective not gradable
 happening in or related to the physical world
or real life
 All my earthly possessions are in that moving
van.

72. Mars /mɑrz/

73. Mars /mɑrz/

74. Mars /mɑrz/

75. Mars /mɑrz/
 noun U

76. Mars /mɑrz/
 noun U
 the planet fourth in order of distance from the
sun, after the earth and before Jupiter

77. Mars /mɑrz/
 noun U
 the planet fourth in order of distance from the
sun, after the earth and before Jupiter
 مریخ

78. Mars /mɑrz/
 noun U
 the planet fourth in order of distance from the
sun, after the earth and before Jupiter
 مریخ
 Martian /ˈmɑr·ʃən/ adjective

79. Mars /mɑrz/
 noun U
 the planet fourth in order of distance from the
sun, after the earth and before Jupiter
 مریخ
 Martian /ˈmɑr·ʃən/ adjective
 relating to the planet Mars

80. Mars /mɑrz/
 noun U
 the planet fourth in order of distance from the
sun, after the earth and before Jupiter
 مریخ
 Martian /ˈmɑr·ʃən/ adjective
 relating to the planet Mars
 the Martian atmosphere

81. Jupiter /ˈdʒuː·pət̬·ər/

82. Jupiter /ˈdʒuː·pət̬·ər/

83. Jupiter /ˈdʒuː·pət̬·ər/

84. Jupiter /ˈdʒuː·pət̬·ər/

85. Jupiter /ˈdʒuː·pət̬·ər/
 noun U

86. Jupiter /ˈdʒuː·pət̬·ər/
 noun U
 the planet fifth in order of distance from the
sun, after Mars and before Saturn

87. Jupiter /ˈdʒuː·pət̬·ər/
 noun U
 the planet fifth in order of distance from the
sun, after Mars and before Saturn
 مشتری

88. Saturn /ˈsæt̬·ərn/

89. Saturn /ˈsæt̬·ərn/

90. Saturn /ˈsæt̬·ərn/

91. Saturn /ˈsæt̬·ərn/

92. Saturn /ˈsæt̬·ərn/

93. Saturn /ˈsæt̬·ərn/

94. Saturn /ˈsæt̬·ərn/
 noun U

95. Saturn /ˈsæt̬·ərn/
 noun U
 the planet sixth in order of distance from the
sun, after Jupiter and before Uranus

96. Saturn /ˈsæt̬·ərn/
 noun U
 the planet sixth in order of distance from the
sun, after Jupiter and before Uranus
 کیوان یا زحل

97. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/

98. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/

99. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/

100. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/

101. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/
 noun U

102. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/
 noun U
 the planet seventh in order of distance from
the sun, after Saturn and before Neptune

103. Uranus /ˈjʊr·ə·nəs, jʊˈreɪ·nəs/
 noun U
 the planet seventh in order of distance from
the sun, after Saturn and before Neptune
 اورانوس

104. Neptune /ˈnep·tuːn/

105. Neptune /ˈnep·tuːn/

106. Neptune /ˈnep·tuːn/

107. Neptune /ˈnep·tuːn/

108. Neptune /ˈnep·tuːn/

109. Neptune /ˈnep·tuːn/
 noun U

110. Neptune /ˈnep·tuːn/
 noun U
 the planet eighth in order of distance from the
sun, after Uranus and before Pluto

111. Neptune /ˈnep·tuːn/
 noun U
 the planet eighth in order of distance from the
sun, after Uranus and before Pluto
 نپتون

112. asteroid /ˈæs·təˌrɔɪd/

113. asteroid /ˈæs·təˌrɔɪd/

114. asteroid /ˈæs·təˌrɔɪd/

115. asteroid /ˈæs·təˌrɔɪd/

116. asteroid /ˈæs·təˌrɔɪd/

117. asteroid /ˈæs·təˌrɔɪd/
 noun C

118. asteroid /ˈæs·təˌrɔɪd/
 noun C
 an object like a very large rock that goes
around the sun like a planet

119. asteroid /ˈæs·təˌrɔɪd/
 noun C
 an object like a very large rock that goes
around the sun like a planet
 Scientists are hoping an asteroid will clue
(show) them in about early life on earth.

120. asteroid /ˈæs·təˌrɔɪd/
 noun C
 an object like a very large rock that goes
around the sun like a planet
 Scientists are hoping an asteroid will clue
(show) them in about early life on earth.
 سیارک

121. ancient /ˈeɪn·tʃənt/

122. ancient /ˈeɪn·tʃənt/
 adjective

123. ancient /ˈeɪn·tʃənt/
 adjective
 of or from a very long time ago, very old

124. ancient /ˈeɪn·tʃənt/
 adjective
 of or from a very long time ago, very old
 Archaeologists study the remains of ancient
civilizations.

125. ancient /ˈeɪn·tʃənt/
 adjective
 of or from a very long time ago, very old
 Archaeologists study the remains of ancient
civilizations.
 This computer is ancient – I’ve got to get a
new one.

126. ancient /ˈeɪn·tʃənt/
 adjective
 of or from a very long time ago, very old
 Archaeologists study the remains of ancient
civilizations.
 This computer is ancient – I’ve got to get a
new one.
 باستانی ، قدیمی

127. dream /driːm/

128. dream /driːm/
 noun C

129. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen

130. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen
 almost perfect

131. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen
 almost perfect
 It was his dream to be a doctor.

132. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen
 almost perfect
 It was his dream to be a doctor.
 If there were one more bedroom, it would be
my dream house.

133. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen
 almost perfect
 It was his dream to be a doctor.
 If there were one more bedroom, it would be
my dream house.
 Verb: I past dreamed , past dreamt

134. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen
 almost perfect
 It was his dream to be a doctor.
 If there were one more bedroom, it would be
my dream house.
 Verb: I past dreamed , past dreamt
 to desire something very much and hope that
it happens, think

135. dream /driːm/
 noun C
 an event or condition that you hope for very
much, although it is not likely to happen
 almost perfect
 It was his dream to be a doctor.
 If there were one more bedroom, it would be my
dream house.
 Verb: I past dreamed , past dreamt
 to desire something very much and hope that it
happens, think
 رویا ، رویایی ، فکر کردن ، خواستن

136. latter /ˈlæt̬·ər/

137. latter /ˈlæt̬·ər/
 noun U formal

138. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned

139. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned
 He directed "The Wizard of Oz" and "Gone
with the Wind," receiving an Oscar for the
latter.

140. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned
 He directed "The Wizard of Oz" and "Gone
with the Wind," receiving an Oscar for the
latter.
 ≠ former FIRST = سابق یا اولی

141. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned
 He directed "The Wizard of Oz" and "Gone
with the Wind," receiving an Oscar for the
latter.
 ≠ former FIRST = سابق یا اولی
 Adjective

142. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned
 He directed "The Wizard of Oz" and "Gone
with the Wind," receiving an Oscar for the
latter.
 ≠ former FIRST = سابق یا اولی
 adjective
 near or toward the end of something

143. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned
 He directed "The Wizard of Oz" and "Gone with
the Wind," receiving an Oscar for the latter.
 ≠ former FIRST = سابق یا اولی
 adjective
 near or toward the end of something
 He was in the news during the latter part of the
Watergate scandal.

144. latter /ˈlæt̬·ər/
 noun U formal
 SECOND: the second of two people, things, or
groups previously mentioned
 He directed "The Wizard of Oz" and "Gone with
the Wind," receiving an Oscar for the latter.
 ≠ former FIRST = سابق یا اولی
 adjective
 near or toward the end of something
 He was in the news during the latter part of the
Watergate scandal.
 آخری

145. brief /briːf/

146. brief /briːf/
 adjective -er/-est only

147. brief /briːf/
 adjective -er/-est only
 lasting only a short time or containing few
words, short

148. brief /briːf/
 adjective -er/-est only
 lasting only a short time or containing few
words, short
 Rory had a brief career as an actor.

149. brief /briːf/
 adjective -er/-est only
 lasting only a short time or containing few
words, short
 Rory had a brief career as an actor.
 خلاصه ،کوتاه

150. brief /briːf/
 adjective -er/-est only
 lasting only a short time or containing few
words, short
 Rory had a brief career as an actor.
 خلاصه ،کوتاه
 briefly /ˈbriː·fli/ adverb

151. brief /briːf/
 adjective -er/-est only
 lasting only a short time or containing few
words, short
 Rory had a brief career as an actor.
 خلاصه ،کوتاه
 briefly /ˈbriː·fli/ adverb
 for a short time or using few words, in brief

152. brief /briːf/
 adjective -er/-est only
 lasting only a short time or containing few
words, short
 Rory had a brief career as an actor.
 خلاصه ،کوتاه
 briefly /ˈbriː·fli/ adverb
 for a short time or using few words, in brief
 We chatted briefly about the weather.

153. Internatinal space station

154. Internatinal space station

155. Internatinal space station

156. Internatinal space station

157. crater /ˈkreɪt̬·ər/

158. crater /ˈkreɪt̬·ər/

159. crater /ˈkreɪt̬·ər/

160. crater /ˈkreɪt̬·ər/

161. crater /ˈkreɪt̬·ər/
 noun C

162. crater /ˈkreɪt̬·ər/
 noun C
 a large hole in the top of a volcano
(mountain made from liquid rock)

163. crater /ˈkreɪt̬·ər/
 noun C
 a large hole in the top of a volcano
(mountain made from liquid rock)
 a large hole made by something hitting the
ground with force

164. crater /ˈkreɪt̬·ər/
 noun C
 a large hole in the top of a volcano
(mountain made from liquid rock)
 a large hole made by something hitting the
ground with force
 گودال بزرگ

165. Spacecraft

166. Spacecraft

167. Spacecraft

168. Spacecraft

169. Spacecraft

170. phase /feɪz/

171. phase /feɪz/

172. phase /feɪz/

173. phase /feɪz/

174. phase /feɪz/
 noun C

175. phase /feɪz/
 noun C
 any stage in a series of events or in a process
of development

176. phase /feɪz/
 noun C
 any stage in a series of events or in a process
of development
 The project is only in its first phase of
planning.

177. phase /feɪz/
 noun C
 any stage in a series of events or in a process
of development
 The project is only in its first phase of
planning.
 phases of the moon

178. phase /feɪz/
 noun C
 any stage in a series of events or in a process
of development
 The project is only in its first phase of
planning.
 phases of the moon
 the regular changes in its shape as it appears
to people on earth.

179. phase /feɪz/
 noun C
 any stage in a series of events or in a process
of development
 The project is only in its first phase of
planning.
 phases of the moon
 the regular changes in its shape as it appears
to people on earth.
 forms of matter such as solid, liquid, or a gas.

180. phase /feɪz/
 noun C
 any stage in a series of events or in a process
of development
 The project is only in its first phase of
planning.
 phases of the moon
 the regular changes in its shape as it appears
to people on earth.
 forms of matter such as solid, liquid, or a gas.
 مرحله ، تغییرات ، شکل ، حالت

181. observe / əbˈzɜrv/

182. observe / əbˈzɜrv/

183. observe / əbˈzɜrv/

184. observe / əbˈzɜrv/

185. observe / əbˈzɜrv/
 verb T

186. observe / əbˈzɜrv/
 verb T
 to watch something or someone carefully

187. observe / əbˈzɜrv/
 verb T
 to watch something or someone carefully
 She spent her career observing animal
behavior.

188. observe / əbˈzɜrv/
 verb T
 to watch something or someone carefully
 She spent her career observing animal
behavior.
 On their field trip, the students observed how
a newspaper was put together.

189. observe / əbˈzɜrv/
 verb T
 to watch something or someone carefully
 She spent her career observing animal
behavior.
 On their field trip, the students observed how
a newspaper was put together.
 مشاهده کردن

190. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/
 noun C
 a building equipped for studying the
planets and the stars
 رصدخانه

191. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/

192. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/

193. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/

194. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/

195. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/

196. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/
 noun C

197. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/
 noun C
 a building equipped for studying the
planets and the stars

198. observatory /əbˈzɜr·vəˌtɔːr·i, -
ˌtoʊr·i/
 noun C
 a building equipped for studying the
planets and the stars
 رصدخانه

199. Word formation
 observe / əbˈzɜrv/ verb T
 observation /ˌɑb·zərˈveɪ·ʃən/ noun C/U
 observer /əbˈzɜr·vər/ noun C
 observatory /əbˈzɜr·vəˌtɔːr·i, -ˌtoʊr·i/ noun C
 observant /əbˈzɜr·vənt/ adjective
 observance /əbˈzɜr·vəns/ noun C/U
 observant /əbˈzɜr·vənt/ adjective
 observable /əbˈzɜr·və·bəl/ adjective


200. cave /keɪv/

201. cave /keɪv/

202. cave /keɪv/

203. cave /keɪv/

204. cave /keɪv/

205. cave /keɪv/

206. cave /keɪv/
 noun C

207. cave /keɪv/
 noun C
 a large hole in the side of a hill, cliff, or
mountain, or underground

208. cave /keɪv/
 noun C
 a large hole in the side of a hill, cliff, or
mountain, or underground
 It was very dark and cold inside the cave.

209. cave /keɪv/
 noun C
 a large hole in the side of a hill, cliff, or
mountain, or underground
 It was very dark and cold inside the cave.
 غار ، اشکفت

210. telescope /ˈtel·əˌskoʊp/

211. telescope /ˈtel·əˌskoʊp/

212. telescope /ˈtel·əˌskoʊp/

213. telescope /ˈtel·əˌskoʊp/

214. telescope /ˈtel·əˌskoʊp/

215. telescope /ˈtel·əˌskoʊp/

216. telescope /ˈtel·əˌskoʊp/
 noun C

217. telescope /ˈtel·əˌskoʊp/
 noun C
 a cylindrical device that you look through to
make objects that are far away look nearer
and bigger

218. telescope /ˈtel·əˌskoʊp/
 noun C
 a cylindrical device that you look through to
make objects that are far away look nearer
and bigger
 telescopic /ˌtel·əˈskɑp·ɪk/ adjective

219. telescope /ˈtel·əˌskoʊp/
 noun C
 a cylindrical device that you look through to
make objects that are far away look nearer
and bigger
 telescopic /ˌtel·əˈskɑp·ɪk/ adjective
 My camera’s telescopic lens lets me take great
close-ups.

220. device /dɪˈvɑɪs/

221. device /dɪˈvɑɪs/

222. device /dɪˈvɑɪs/

223. device /dɪˈvɑɪs/

224. device /dɪˈvɑɪs/

225. device /dɪˈvɑɪs/
 noun C

226. device /dɪˈvɑɪs/
 noun C
 an object or machine that has been invented
to fulfill a particular purpose a

227. device /dɪˈvɑɪs/
 noun C
 an object or machine that has been invented
to fulfill a particular purpose a
 handheld device

228. device /dɪˈvɑɪs/
 noun C
 an object or machine that has been invented
to fulfill a particular purpose a
 handheld device
 a safety device

229. device /dɪˈvɑɪs/
 noun C
 an object or machine that has been invented
to fulfill a particular purpose a
 handheld device
 a safety device
 electronic/mechanical devices

230. device /dɪˈvɑɪs/
 noun C
 an object or machine that has been invented
to fulfill a particular purpose a
 handheld device
 a safety device
 electronic/mechanical devices
 He invented a device for measuring very small
distances exactly.

231. device /dɪˈvɑɪs/
 noun C
 an object or machine that has been invented
to fulfill a particular purpose a
 handheld device
 a safety device
 electronic/mechanical devices
 He invented a device for measuring very small
distances exactly.
 وسیله ، ابزار

232. Feature /ˈfiː·tʃər/

233. Feature /ˈfiː·tʃər/
 noun C

234. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or
part

235. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or
part
 This car has excellent safety features.

236. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or
part
 This car has excellent safety features.
 She has fine, delicate features(parts of the
face) .

237. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or
part
 This car has excellent safety features.
 She has fine, delicate features(parts of the
face) .
 verb T

238. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or
part
 This car has excellent safety features.
 She has fine, delicate features(parts of the
face) .
 verb T
 to show or advertise sb/sth as the most
important or most obvious part

239. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or part
 This car has excellent safety features.
 She has fine, delicate features(parts of the face) .
 verb T
 to show or advertise sb/sth as the most important
or most obvious part
 Tonight’s program features some outstanding
performers.

240. Feature /ˈfiː·tʃər/
 noun C
 a noticeable or important characteristic or part
 This car has excellent safety features.
 She has fine, delicate features(parts of the face) .
 verb T
 to show or advertise sb/sth as the most important
or most obvious part
 Tonight’s program features some outstanding
performers.
 ویژگی ،خصوصیات ، برجسته نشان دادن

241. quality /ˈkwɑl·ət̬·i/
 noun C
 a characteristic or feature of sb or sth
 We’re looking for someone who loves children
and has the qualities of a good teacher.
 ویژگی

242. Word formation
 Qualify /ˈkwɑl·əˌfɑɪ/ verb I/T
 to achieve or have the standard of skill,
knowledge, or
 qualified /ˈkwɑl·əˌfɑɪd/ adjective
 qualification /ˌkwɑl·ə·fəˈkeɪ·ʃən/ noun C/U
 the act of limiting the use or range of a statement
you make, or a particular limitation to a
 noun C usually plural
 1- knowledge, skill, or some other characteristic
that gives a person the ability or the right to do or
have something
 2- a level of skill or ability that you have

243. magnify /ˈmæg·nəˌfɑɪ/

244. magnify /ˈmæg·nəˌfɑɪ/

245. magnify /ˈmæg·nəˌfɑɪ/

246. magnify /ˈmæg·nəˌfɑɪ/

247. magnify /ˈmæg·nəˌfɑɪ/
 verb T

248. magnify /ˈmæg·nəˌfɑɪ/
 verb T
 to make something look larger than it is,

249. magnify /ˈmæg·nəˌfɑɪ/
 verb T
 to make something look larger than it is,
 Although your skin looks smooth, when
magnified you can see a lot of little bumps
and holes.

250. magnify /ˈmæg·nəˌfɑɪ/
 verb T
 to make something look larger than it is,
 Although your skin looks smooth, when
magnified you can see a lot of little bumps
and holes.
 He always magnifies the problems and
inconveniences of travel.

251. magnify /ˈmæg·nəˌfɑɪ/
 verb T
 to make something look larger than it is,
 Although your skin looks smooth, when
magnified you can see a lot of little bumps
and holes.
 He always magnifies the problems and
inconveniences of travel.
 magnification /ˌmæg·nə·fəˈkeɪ·ʃən/ noun C/U

252. magnify /ˈmæg·nəˌfɑɪ/
 verb T
 to make something look larger than it is,
 Although your skin looks smooth, when
magnified you can see a lot of little bumps
and holes.
 He always magnifies the problems and
inconveniences of travel.
 magnification /ˌmæg·nə·fəˈkeɪ·ʃən/ noun C/U
 بزرگ نشان دادن

253. distant /ˈdɪs·tənt/

254. distant /ˈdɪs·tənt/
 adjective

255. distant /ˈdɪs·tənt/
 adjective
 far away in space or time, not friendly

256. distant /ˈdɪs·tənt/
 adjective
 far away in space or time, not friendly
 She dreamed of traveling to distant lands.

257. distant /ˈdɪs·tənt/
 adjective
 far away in space or time, not friendly
 She dreamed of traveling to distant lands.
 We could hear the sound of distant thunder.

258. distant /ˈdɪs·tənt/
 adjective
 far away in space or time, not friendly
 She dreamed of traveling to distant lands.
 We could hear the sound of distant thunder.
 دور

259. More information
 distance /ˈdɪs·təns/ noun C/U
 At/From a distance =not too near: From a
distance, he looks a little like his mother.
 In the distance = at or from a point far
away: We could see the mountains in the
distance.
 distance /ˈdɪs·təns/ verb T
 distant /ˈdɪs·tənt/ adjective

260. valley /ˈvæl·i/

261. valley /ˈvæl·i/

262. valley /ˈvæl·i/

263. valley /ˈvæl·i/

264. valley /ˈvæl·i/

265. valley /ˈvæl·i/
 noun C

266. valley /ˈvæl·i/
 noun C
 an area of low land between hills or
mountains, often with a river or stream
running through it

267. valley /ˈvæl·i/
 noun C
 an area of low land between hills or
mountains, often with a river or stream
running through it
 دره

268. modern /ˈmɑd·ərn/
 adjective
 existing in the present or a recent time, or
using or based on recently developed ideas,
methods, or styles
 modern life
 modern architecture/art
 مدرن ، جدید

269. former /ˈfɔːr·mər/

270. former /ˈfɔːr·mər/
 Adjective

271. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now

272. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now
 The former president lives on his ranch.

273. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now
 The former president lives on his ranch.
 سابق ، قبلی

274. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now
 The former president lives on his ranch.
 سابق ، قبلی
 formerly /ˈfɔːr·mər·li/ adverb

275. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now
 The former president lives on his ranch.
 سابق ، قبلی
 formerly /ˈfɔːr·mər·li/ adverb
 before the present time or in the past

276. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now
 The former president lives on his ranch.
 سابق ، قبلی
 formerly /ˈfɔːr·mər·li/ adverb
 before the present time or in the past
 Formerly, he had gone regularly to Europe,
but now he seldom traveled.

277. former /ˈfɔːr·mər/
 adjective
 of an earlier time, but not now
 The former president lives on his ranch.
 سابق ، قبلی
 formerly /ˈfɔːr·mər·li/ adverb
 before the present time or in the past
 Formerly, he had gone regularly to Europe,
but now he seldom traveled.
 قبلا

278. soviet /ˈsoʊ·viːˌet, -viː·ət
/
 noun C
 a group elected to govern a region or area in
a communist country
 the people and esp. the leaders of the
U.S.S.R.

279. Soviet union

280. Soviet union

281. Soviet union

282. Soviet union
 Union of Soviet Socialist Republics(ussr)
 اتحاد جمهوریهای سوسیالیت شوروی

283. Launch /lɔːntʃ, lɑntʃ/

284. Launch /lɔːntʃ, lɑntʃ/

285. Launch /lɔːntʃ, lɑntʃ/

286. Launch /lɔːntʃ, lɑntʃ/

287. Launch /lɔːntʃ, lɑntʃ/

288. Launch /lɔːntʃ, lɑntʃ/
 verb T

289. Launch /lɔːntʃ, lɑntʃ/
 verb T
 to send something out, esp. a vehicle into
space or a ship onto water

290. Launch /lɔːntʃ, lɑntʃ/
 verb T
 to send something out, esp. a vehicle into
space or a ship onto water
 On the last shuttle mission, the crew launched
a communications satellite.

291. Launch /lɔːntʃ, lɑntʃ/
 verb T
 to send something out, esp. a vehicle into
space or a ship onto water
 On the last shuttle mission, the crew launched
a communications satellite.
 noun C

292. Launch /lɔːntʃ, lɑntʃ/
 verb T
 to send something out, esp. a vehicle into
space or a ship onto water
 On the last shuttle mission, the crew launched
a communications satellite.
 noun C
 The launch of the space shuttle was delayed
by bad weather.

293. Launch /lɔːntʃ, lɑntʃ/
 verb T
 to send something out, esp. a vehicle into
space or a ship onto water
 On the last shuttle mission, the crew launched
a communications satellite.
 noun C
 The launch of the space shuttle was delayed
by bad weather.
 ارسال کردن ، پرتاب کردن

294. Sputnik 1

295. Sputnik 1

296. Sputnik 1

297. Sputnik 1
 An artificial satellite

298. Artificial /ˌɑrt̬·əˈfɪʃ·əl/

299. Artificial /ˌɑrt̬·əˈfɪʃ·əl/

300. Artificial /ˌɑrt̬·əˈfɪʃ·əl/

301. Artificial /ˌɑrt̬·əˈfɪʃ·əl/

302. Artificial /ˌɑrt̬·əˈfɪʃ·əl/

303. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective

304. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective
 made by people, often as a copy of something
natural, not natural , man-made ,

305. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective
 made by people, often as a copy of something
natural, not natural , man-made ,
 artificial flowers / artificial grass

306. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective
 made by people, often as a copy of something
natural, not natural , man-made ,
 artificial flowers / artificial grass
 an artificial leg

307. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective
 made by people, often as a copy of something
natural, not natural , man-made ,
 artificial flowers / artificial grass
 an artificial leg
 مصنوعی

308. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective
 made by people, often as a copy of something
natural, not natural , man-made ,
 artificial flowers / artificial grass
 an artificial leg
 مصنوعی
 artificially /ˌɑrt̬·əˈfɪʃ·ə·li/ adverb

309. Artificial /ˌɑrt̬·əˈfɪʃ·əl/
 adjective
 made by people, often as a copy of something
natural, not natural , man-made ,
 artificial flowers / artificial grass
 an artificial leg
 مصنوعی
 artificially /ˌɑrt̬·əˈfɪʃ·ə·li/ adverb
 artificiality /ˌɑrt̬·əˌfɪʃ·iːˈæl·ət̬·i/ noun U

310. satellite /ˈsæt· ə lˌɑɪt/

311. satellite /ˈsæt· ə lˌɑɪt/

312. satellite /ˈsæt· ə lˌɑɪt/

313. satellite /ˈsæt· ə lˌɑɪt/

314. satellite /ˈsæt· ə lˌɑɪt/

315. satellite /ˈsæt· ə lˌɑɪt/
 noun C physics

316. satellite /ˈsæt· ə lˌɑɪt/
 noun C physics
 a natural object moving around a larger
object in space, or an artificial object sent up
into space to travel around the earth

317. satellite /ˈsæt· ə lˌɑɪt/
 noun C physics
 a natural object moving around a larger
object in space, or an artificial object sent up
into space to travel around the earth
 a spy/weather satellite

318. satellite /ˈsæt· ə lˌɑɪt/
 noun C physics
 a natural object moving around a larger
object in space, or an artificial object sent up
into space to travel around the earth
 a spy/weather satellite
 The moon is a satellite of the earth.

319. satellite /ˈsæt· ə lˌɑɪt/
 noun C physics
 a natural object moving around a larger
object in space, or an artificial object sent up
into space to travel around the earth
 a spy/weather satellite
 The moon is a satellite of the earth.
 ماهواره ، قمر

320. satellite dish

321. satellite dish

322. satellite dish

323. satellite dish

324. natural /ˈnætʃ·ə·rəl/

325. natural /ˈnætʃ·ə·rəl/
Artificial flower Natural flower

326. natural /ˈnætʃ·ə·rəl/
Artificial flower Natural flower

327. natural /ˈnætʃ·ə·rəl/
 adjective

328. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people

329. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people
 Cotton is a natural fiber.

330. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old
or ill .

331. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old
or ill .
 Floods and earthquakes are natural disasters.

332. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old
or ill .
 Floods and earthquakes are natural disasters.
 طبیعی

333. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old
or ill .
 Floods and earthquakes are natural disasters.
 طبیعی
 naturally /ˈnætʃ·ə·rə·li/ adverb

334. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving
anything made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old
or ill .
 Floods and earthquakes are natural disasters.
 طبیعی
 naturally /ˈnætʃ·ə·rə·li/ adverb
 naturally curly hair

335. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving anything
made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old or
ill .
 Floods and earthquakes are natural disasters.
 طبیعی
 naturally /ˈnætʃ·ə·rə·li/ adverb
 naturally curly hair
 naturalness /ˈnætʃ·ə·rəl·nəs/ noun U

336. natural /ˈnætʃ·ə·rəl/
 adjective
 from nature; not artificial or involving anything
made or caused by people
 Cotton is a natural fiber.
 He died of natural causes because he was old or
ill .
 Floods and earthquakes are natural disasters.
 طبیعی
 naturally /ˈnætʃ·ə·rə·li/ adverb
 naturally curly hair
 naturalness /ˈnætʃ·ə·rəl·nəs/ noun U
 I admire his naturalness on stage.

337. Word formation
 nature /ˈneɪ·tʃər/ noun U
 natural /ˈnætʃ·ə·rəl/ adjective
 naturally /ˈnætʃ·ə·rə·li/ adverb
 naturalness /ˈnætʃ·ə·rəl·nəs/ noun U
 naturalist /ˈnætʃ·ə·rə·ləst/ noun C
 a person who studies plants and animals
 naturalize /ˈnætʃ·ə·rəˌlɑɪz /verb T
 to make someone a legal citizen of a country that the
person was not born in
 naturalization /ˌnætʃ·ə·rə·ləˈzeɪ·ʃən/ noun U

338. soccer /ˈsɑk·ər/

339. soccer /ˈsɑk·ər/

340. soccer /ˈsɑk·ər/

341. soccer /ˈsɑk·ər/

342. soccer /ˈsɑk·ər/
 noun U

343. soccer /ˈsɑk·ər/
 noun U
 a game in which two teams of eleven players
try to send a ball into the goal of the opposing
side without using their arms or hands

344. soccer /ˈsɑk·ər/
 noun U
 a game in which two teams of eleven players
try to send a ball into the goal of the opposing
side without using their arms or hands
 Football

345. soccer /ˈsɑk·ər/
 noun U
 a game in which two teams of eleven players
try to send a ball into the goal of the opposing
side without using their arms or hands
 Football
 فوتبال

346. Soccer ball

347. Soccer ball

348. Soccer ball

349. carry /ˈkær·i/

350. carry /ˈkær·i/

351. carry /ˈkær·i/

352. carry /ˈkær·i/

353. carry /ˈkær·i/

354. carry /ˈkær·i/

355. carry /ˈkær·i/

356. carry /ˈkær·i/
 verb T

357. carry /ˈkær·i/
 verb T
 to transport or take from one place to another

358. carry /ˈkær·i/
 verb T
 to transport or take from one place to another
 The plane carried 116 passengers and a crew of
seven.

359. carry /ˈkær·i/
 verb T
 to transport or take from one place to another
 The plane carried 116 passengers and a crew of
seven.
 Would you like me to carry your bag for you?

360. carry /ˈkær·i/
 verb T
 to transport or take from one place to another
 The plane carried 116 passengers and a crew of
seven.
 Would you like me to carry your bag for you?
 بردن ، حمل کردن

361. carry /ˈkær·i/
 verb T
 to transport or take from one place to another
 The plane carried 116 passengers and a crew of
seven.
 Would you like me to carry your bag for you?
 بردن ، حمل کردن
 carrier /ˈkær·iː·ər/ noun C

362. instrument / 'ɪn·strə·mənt/

363. instrument / 'ɪn·strə·mənt/

364. instrument / 'ɪn·strə·mənt/

365. instrument / 'ɪn·strə·mənt/

366. instrument / 'ɪn·strə·mənt/

367. instrument / 'ɪn·strə·mənt/
 noun C

368. instrument / 'ɪn·strə·mənt/
 noun C
 a tool or other device used for doing a particular piece of
work

369. instrument / 'ɪn·strə·mənt/
 noun C
 a tool or other device used for doing a particular piece of
work
 surgical instruments

370. instrument / 'ɪn·strə·mənt/
 noun C
 a tool or other device used for doing a particular piece of
work
 surgical instruments
 instrumental /ɪn·strə'ment· ə l/ adjective

371. instrument / 'ɪn·strə·mənt/
 noun C
 a tool or other device used for doing a particular piece of
work
 surgical instruments
 instrumental /ɪn·strə'ment· ə l/ adjective
 important in causing something to happen

372. instrument / 'ɪn·strə·mənt/
 noun C
 a tool or other device used for doing a particular piece of
work
 surgical instruments
 instrumental /ɪn·strə'ment· ə l/ adjective
 important in causing something to happen
 وسیله ،ابزار

373. measure /ˈmeʒ·ər/

374. measure /ˈmeʒ·ər/

375. measure /ˈmeʒ·ər/

376. measure /ˈmeʒ·ər/

377. measure /ˈmeʒ·ər/

378. measure /ˈmeʒ·ər/
 Verb

379. measure /ˈmeʒ·ər/
 verb
 to discover the exact size, amount, etc., of
something, or to be of a particular size

380. measure /ˈmeʒ·ər/
 verb
 to discover the exact size, amount, etc., of
something, or to be of a particular size
 T "Will the table fit in here?" "I don’t know –
I’ll measure it.“

381. measure /ˈmeʒ·ər/
 verb
 to discover the exact size, amount, etc., of
something, or to be of a particular size
 T "Will the table fit in here?" "I don’t know –
I’ll measure it."
 اندازه گرفتن

382. Word formation
 measure /ˈmeʒ·ər/ verb
 measure /ˈmeʒ·ər/ noun C/U
 measurable /ˈmeʒ·ə·rə·bə/l adjective
 measurement /ˈmeʒ·ər·mənt/ noun C/U
 the length, height, width, etc., of something,

383. density /ˈden·sət̬·i/

384. density /ˈden·sət̬·i/

385. density /ˈden·sət̬·i/

386. density /ˈden·sət̬·i/

387. density /ˈden·sət̬·i/
 noun C/U physics

388. density /ˈden·sət̬·i/
 noun C/U physics
 the relationship between the mass of a
substance and its size, amount of sth in a unit

389. density /ˈden·sət̬·i/
 noun C/U physics
 the relationship between the mass of a
substance and its size, amount of sth in a unit
 C Lead has a high density.

390. density /ˈden·sət̬·i/
 noun C/U physics
 the relationship between the mass of a
substance and its size, amount of sth in a unit
 C Lead has a high density.
 تراکم ، چگالی

391. density /ˈden·sət̬·i/
 noun C/U physics
 the relationship between the mass of a
substance and its size, amount of sth in a unit
 C Lead has a high density.
 تراکم ، چگالی
 dense /dens/ adjective -er/-est only

392. density /ˈden·sət̬·i/
 noun C/U physics
 the relationship between the mass of a
substance and its size, amount of sth in a unit
 C Lead has a high density.
 تراکم ، چگالی
 dense /dens/ adjective -er/-est only
 (of a substance) containing a lot of matter in
a small space Plutonium is very dense.

393. density /ˈden·sət̬·i/
 noun C/U physics
 the relationship between the mass of a
substance and its size, amount of sth in a unit
 C Lead has a high density.
 تراکم ، چگالی
 dense /dens/ adjective -er/-est only
 (of a substance) containing a lot of matter in
a small space Plutonium is very dense.
 متراکم

394. Unit /ˈjuː·nət /

395. Unit /ˈjuː·nət /

396. Unit /ˈjuː·nət /

397. Unit /ˈjuː·nət /

398. Unit /ˈjuː·nət /
 noun C

399. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts

400. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts
 An inch is a unit of length.

401. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts
 An inch is a unit of length.
 The dollar is the standard unit of currency in
the US.

402. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts
 An inch is a unit of length.
 The dollar is the standard unit of currency in
the US.
 واحد

403. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts
 An inch is a unit of length.
 The dollar is the standard unit of currency in
the US.
 واحد
 Volume unit = واحد حجم

404. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts
 An inch is a unit of length.
 The dollar is the standard unit of currency in
the US.
 واحد
 Volume unit = واحد حجم
 Area unit = واحد سطح

405. Unit /ˈjuː·nət /
 noun C
 a standard measure used to express amounts
 An inch is a unit of length.
 The dollar is the standard unit of currency in
the US.
 واحد
 Volume unit = واحد حجم
 Area unit = واحد سطح
 Length unit = واحد طول

406. area /ˈer·iː·ə, ˈær-/

407. area /ˈer·iː·ə, ˈær-/

408. area /ˈer·iː·ə, ˈær-/

409. area /ˈer·iː·ə, ˈær-/

410. area /ˈer·iː·ə, ˈær-/

411. area /ˈer·iː·ə, ˈær-/
 noun C/U geometry

412. area /ˈer·iː·ə, ˈær-/
 noun C/U geometry
 the measure of a flat space or surface

413. area /ˈer·iː·ə, ˈær-/
 noun C/U geometry
 the measure of a flat space or surface
 C You get the area of a rectangle by
multiplying its length by its width.

414. area /ˈer·iː·ə, ˈær-/
 noun C/U geometry
 the measure of a flat space or surface
 C You get the area of a rectangle by
multiplying its length by its width.
 مساحت

415. volume /ˈvɑl·jəm, -juːm/

416. volume /ˈvɑl·jəm, -juːm/

417. volume /ˈvɑl·jəm, -juːm/

418. volume /ˈvɑl·jəm, -juːm/

419. volume /ˈvɑl·jəm, -juːm/

420. volume /ˈvɑl·jəm, -juːm/
 noun C/U

421. volume /ˈvɑl·jəm, -juːm/
 noun C/U
 an amount of space having length, height,
and width

422. volume /ˈvɑl·jəm, -juːm/
 noun C/U
 an amount of space having length, height,
and width
 C You need a big air conditioner to cool a
large volume of space.

423. volume /ˈvɑl·jəm, -juːm/
 noun C/U
 an amount of space having length, height,
and width
 C You need a big air conditioner to cool a
large volume of space.
 U About 8 percent of the total volume of
garbage is plastic packaging.

424. volume /ˈvɑl·jəm, -juːm/
 noun C/U
 an amount of space having length, height,
and width
 C You need a big air conditioner to cool a
large volume of space.
 U About 8 percent of the total volume of
garbage is plastic packaging.
 حجم

425. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/

426. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/

427. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/

428. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/

429. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U

430. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U
 1- the measured amount of heat in a place or
in the body

431. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U
 1- the measured amount of heat in a place or
in the body
 C Temperatures should reach the 50s today.

432. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U
 1- the measured amount of heat in a place or
in the body
 C Temperatures should reach the 50s today.
 U An increase in temperature is normal.

433. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U
 1- the measured amount of heat in a place or
in the body
 C Temperatures should reach the 50s today.
 U An increase in temperature is normal.
 2- a fever:

434. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U
 1- the measured amount of heat in a place or
in the body
 C Temperatures should reach the 50s today.
 U An increase in temperature is normal.
 2- a fever:
 C You have a temperature.

435. temperature /ˈtem·pə·rə·tʃər, -ˌtʃʊr/
 noun C/U
 1- the measured amount of heat in a place or
in the body
 C Temperatures should reach the 50s today.
 U An increase in temperature is normal.
 2- a fever:
 C You have a temperature.
 دما، حرارت ، تب

436. Apollo

437. Apollo

438. Apollo

439. Apollo

440. Apollo

441. mission /ˈmɪʃ·ən/

442. mission /ˈmɪʃ·ən/
 noun C

443. mission /ˈmɪʃ·ən/
 noun C
 the action of sending someone to a place to
do a particular job, or the job the person has
been sent to do

444. mission /ˈmɪʃ·ən/
 noun C
 the action of sending someone to a place to
do a particular job, or the job the person has
been sent to do
 A flight into space

445. mission /ˈmɪʃ·ən/
 noun C
 the action of sending someone to a place to
do a particular job, or the job the person has
been sent to do
 A flight into space
 They were sent on a secret political mission
to the Middle East.

446. mission /ˈmɪʃ·ən/
 noun C
 the action of sending someone to a place to
do a particular job, or the job the person has
been sent to do
 A flight into space
 They were sent on a secret political mission
to the Middle East.
 ماموریت

447. land /lænd/

448. land /lænd/

449. land /lænd/

450. land /lænd/

451. land /lænd/

452. land /lænd/
 verb T

453. land /lænd/
 verb T
 to unload people or things from a ship or
aircraft onto the ground,

454. land /lænd/
 verb T
 to unload people or things from a ship or
aircraft onto the ground,
 ≠ boarding

455. land /lænd/
 verb T
 to unload people or things from a ship or
aircraft onto the ground,
 ≠ boarding
 ≠ take off

456. land /lænd/
 verb T
 to unload people or things from a ship or
aircraft onto the ground,
 ≠ boarding
 ≠ take off
 The general’s plan involved landing troops
behind enemy lines.

457. land /lænd/
 verb T
 to unload people or things from a ship or
aircraft onto the ground,
 ≠ boarding
 ≠ take off
 The general’s plan involved landing troops
behind enemy lines.
 پیاده کردن ، فرود آمدن

458. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/

459. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/

460. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/

461. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/

462. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/

463. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/

464. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/
 noun C

465. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/
 noun C
 a person who is trained for traveling in
spacecraft

466. astronaut /ˈæs·trəˌnɔːt, -
ˌnɑt/
 noun C
 a person who is trained for traveling in
spacecraft
 فضانورد

467. Word formation
 astrology /əˈstrɑl·ə·dʒi/ noun U
 the ancient practice of studying the movements
and positions of the sun, moon, planets, and stars
in the belief that they influence human behavior
 astronomy /əˈstrɑn·ə·mi/ noun U science
 the scientific study of the universe as a whole and
of objects that exist naturally in space, such as
the stars
 astronomical /ˌæs·trəˈnɑm·ɪ·kəl /adjective
 astronomer /əˈstrɑn·ə·mər/ noun C
 astronaut /ˈæs·trəˌnɔːt, -ˌnɑt/noun C

468. sample /ˈsæm·pəl/

469. sample /ˈsæm·pəl/
 noun C / verb T

470. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows
what the rest is or should be like, small group
of people

471. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows
what the rest is or should be like, small group
of people
 a free sample

472. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows
what the rest is or should be like, small group
of people
 a free sample
 a blood/tissue sample

473. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows
what the rest is or should be like, small group
of people
 a free sample
 a blood/tissue sample
 The booklet contains sample questions and
answers.

474. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows
what the rest is or should be like, small group
of people
 a free sample
 a blood/tissue sample
 The booklet contains sample questions and
answers.
 to take or try a small amount of something

475. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows
what the rest is or should be like, small group
of people
 a free sample
 a blood/tissue sample
 The booklet contains sample questions and
answers.
 to take or try a small amount of something
 He sampled a little of each dish.

476. sample /ˈsæm·pəl/
 noun C / verb T
 a small amount of something which shows what
the rest is or should be like, small group of people
 a free sample
 a blood/tissue sample
 The booklet contains sample questions and
answers.
 to take or try a small amount of something
 He sampled a little of each dish.
 نمونه ، نمونه گرفتن

477. voyage /ˈvɔɪ·ɪdʒ, ˈvɔː·ɪdʒ/

478. voyage /ˈvɔɪ·ɪdʒ, ˈvɔː·ɪdʒ/
 noun C

479. voyage /ˈvɔɪ·ɪdʒ, ˈvɔː·ɪdʒ/
 noun C
 a long trip, esp. by ship

480. voyage /ˈvɔɪ·ɪdʒ, ˈvɔː·ɪdʒ/
 noun C
 a long trip, esp. by ship
 to make or take a voyage; travel; journey.

481. voyage /ˈvɔɪ·ɪdʒ, ˈvɔː·ɪdʒ/
 noun C
 a long trip, esp. by ship
 to make or take a voyage; travel; journey.
 Christopher Columbus brought cattle on his
second voyage to America in 1493.

482. voyage /ˈvɔɪ·ɪdʒ, ˈvɔː·ɪdʒ/
 noun C
 a long trip, esp. by ship
 to make or take a voyage; travel; journey.
 Christopher Columbus brought cattle on his
second voyage to America in 1493.
 مسافرت دریای طولانی ، مسافرت دریایی رفتن

483. Voyager I , II
Voyager I Voyager II

484. Voyager I , II

485. Voyager I , II

486. Voyager I , II

487. Voyager I , II
 one of a series of U.S. space probes that
obtained scientific information while flying by
the planets Jupiter, Saturn, and Uranus.
 وویجر 1 و 2

488. probe /proʊb/

489. probe /proʊb/
 noun C

490. probe /proʊb/
 noun C
 a careful and detailed examination

491. probe /proʊb/
 noun C
 a careful and detailed examination
 The probe explored allegations of corruption
in the police department.

492. probe /proʊb/
 noun C
 a careful and detailed examination
 The probe explored allegations of corruption
in the police department.
 جستجوی دقیق

493. Space probe
galileo

494. Space probe
magellan

495. Space probe
pioneer

496. Space probe
Rover

497. Space probe
Rover

498. Space probe
Viking

499. Other forms
 probe proʊb verb I/T
 to search into or examine something
 I Investigators are probing into new evidence in
the case.
 T Using a special instrument, the doctor probed
the wound for the bullet.
 probe /proʊb/ noun C
 probing /ˈproʊ·bɪŋ/ adjective
 (of a question) difficult to answer without telling
the truth
 probing questions

500. robot /ˈroʊ·bɑt, -bət/

501. robot /ˈroʊ·bɑt, -bət/

502. robot /ˈroʊ·bɑt, -bət/

503. robot /ˈroʊ·bɑt, -bət/

504. robot /ˈroʊ·bɑt, -bət/

505. robot /ˈroʊ·bɑt, -bət/

506. robot /ˈroʊ·bɑt, -bət/

507. robot /ˈroʊ·bɑt, -bət/

508. robot /ˈroʊ·bɑt, -bət/
 noun C

509. robot /ˈroʊ·bɑt, -bət/
 noun C
 a mechanical device that works automatically
or by computer control

510. robot /ˈroʊ·bɑt, -bət/
 noun C
 a mechanical device that works automatically
or by computer control
 Industrial robots are replacing people.

511. robot /ˈroʊ·bɑt, -bət/
 noun C
 a mechanical device that works automatically
or by computer control
 Industrial robots are replacing people.
 robotic /roʊˈbɑt̬·ɪk/ adjective

512. robot /ˈroʊ·bɑt, -bət/
 noun C
 a mechanical device that works automatically
or by computer control
 Industrial robots are replacing people.
 robotic /roʊˈbɑt̬·ɪk/ adjective
 He spoke in a robotic monotone.

513. robot /ˈroʊ·bɑt, -bət/
 noun C
 a mechanical device that works automatically
or by computer control
 Industrial robots are replacing people.
 robotic /roʊˈbɑt̬·ɪk/ adjective
 He spoke in a robotic monotone.
 robotics /roʊˈbɑt̬·ɪks/ noun U

514. robot /ˈroʊ·bɑt, -bət/
 noun C
 a mechanical device that works automatically
or by computer control
 Industrial robots are replacing people.
 robotic /roʊˈbɑt̬·ɪk/ adjective
 He spoke in a robotic monotone.
 robotics /roʊˈbɑt̬·ɪks/ noun U
 the science of designing and operating robots

515. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

516. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

517. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

518. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

519. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

520. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

521. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/

522. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/
 noun C

523. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/
 noun C
 something used to transport people or goods,
esp. something used on land or roads

524. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/
 noun C
 something used to transport people or goods,
esp. something used on land or roads
 an underwater vehicle

525. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/
 noun C
 something used to transport people or goods,
esp. something used on land or roads
 an underwater vehicle
 vehicular /viːˈhɪk·jə·lər/ adjective

526. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/
 noun C
 something used to transport people or goods,
esp. something used on land or roads
 an underwater vehicle
 vehicular /viːˈhɪk·jə·lər/ adjective
 Pedestrian and vehicular traffic in the
neighborhood have both increased.

527. vehicle /ˈviːˌhɪk·əl, ˈviː·ɪ·kəl/
 noun C
 something used to transport people or goods,
esp. something used on land or roads
 an underwater vehicle
 vehicular /viːˈhɪk·jə·lər/ adjective
 Pedestrian and vehicular traffic in the
neighborhood have both increased.
 وسیله نقلیه

528. beyond /biːˈɑnd /

529. beyond /biːˈɑnd /
 preposition, adverb

530. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside
or after a stated limit , more than

531. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside
or after a stated limit , more than
 Beyond the river was a small town.

532. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside
or after a stated limit , more than
 Beyond the river was a small town.
 From the top of the hill we could see our
house and the woods beyond.

533. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside
or after a stated limit , more than
 Beyond the river was a small town.
 From the top of the hill we could see our
house and the woods beyond.
 Few people live beyond the age of a hundred.

534. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside
or after a stated limit , more than
 Beyond the river was a small town.
 From the top of the hill we could see our
house and the woods beyond.
 Few people live beyond the age of a hundred.
 I’ve got nothing to tell you beyond what I said
earlier.

535. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside or
after a stated limit , more than
 Beyond the river was a small town.
 From the top of the hill we could see our house
and the woods beyond.
 Few people live beyond the age of a hundred.
 I’ve got nothing to tell you beyond what I said
earlier.
 My job goes beyond teaching facts – my aim is to
get children to think for themselves.

536. beyond /biːˈɑnd /
 preposition, adverb
 farther away in the distance than sth, outside or
after a stated limit , more than
 Beyond the river was a small town.
 From the top of the hill we could see our house
and the woods beyond.
 Few people live beyond the age of a hundred.
 I’ve got nothing to tell you beyond what I said
earlier.
 My job goes beyond teaching facts – my aim is to
get children to think for themselves.
 پشت ، ورای ، بیش از ، بیش از حد

537. further /ˈfɜr·ðər/

538. further /ˈfɜr·ðər/
 adjective, adverb

539. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;

540. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;
 comparative of far (DISTANCE )

541. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;
 comparative of far (DISTANCE )
 I can’t run any further.

542. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;
 comparative of far (DISTANCE )
 I can’t run any further.
 Read a little further and it will begin to make
sense.

543. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;
 comparative of far (DISTANCE )
 I can’t run any further.
 Read a little further and it will begin to make
sense.
 2- more, extra, or additional; comparative of
far (AMOUNT)

544. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;
 comparative of far (DISTANCE )
 I can’t run any further.
 Read a little further and it will begin to make
sense.
 2- more, extra, or additional; comparative of
far (AMOUNT)
 Call your local library for further information.

545. further /ˈfɜr·ðər/
 adjective, adverb
 1- to a greater distance in space or time;
 comparative of far (DISTANCE )
 I can’t run any further.
 Read a little further and it will begin to make
sense.
 2- more, extra, or additional; comparative of
far (AMOUNT)
 Call your local library for further information.
 دورتر ، بیشتر

546. Viking I

547. Viking II

548. Hubble Space Telescope

549. Hubble Space Telescope

550. Hubble Space Telescope

551. Hubble Space Telescope

552. Edwin Hubble

553. Edwin Hubble

554. unit /ˈjuː·nət/

555. unit /ˈjuː·nət/
 noun C

556. unit /ˈjuː·nət/
 noun C
 a single item or a separate part of something
larger, a small machine or part of a machine
that has a particular purpose

557. unit /ˈjuː·nət/
 noun C
 a single item or a separate part of something
larger, a small machine or part of a machine
that has a particular purpose
 The first year of the course is divided into four
units.

558. unit /ˈjuː·nət/
 noun C
 a single item or a separate part of something
larger, a small machine or part of a machine
that has a particular purpose
 The first year of the course is divided into four
units.
 This apartment building has 60 units
(separate apartments) .

559. unit /ˈjuː·nət/
 noun C
 a single item or a separate part of something
larger, a small machine or part of a machine
that has a particular purpose
 The first year of the course is divided into four
units.
 This apartment building has 60 units
(separate apartments) .
 the central processing unit of a computer

560. unit /ˈjuː·nət/
 noun C
 a single item or a separate part of something
larger, a small machine or part of a machine
that has a particular purpose
 The first year of the course is divided into four
units.
 This apartment building has 60 units
(separate apartments) .
 the central processing unit of a computer
 واحد ، قسمت

561. International Space Station(ISS)

562. International Space Station(ISS)

563. International Space Station(ISS)

564. International Space Station(ISS)

565. International Space Station(ISS)

566. era /ˈɪr·ə, ˈer·ə, ˈiː·rə/

567. era /ˈɪr·ə, ˈer·ə, ˈiː·rə/
 noun C

568. era /ˈɪr·ə, ˈer·ə, ˈiː·rə/
 noun C
 a period of time known for particular events
or developments

569. era /ˈɪr·ə, ˈer·ə, ˈiː·rə/
 noun C
 a period of time known for particular events
or developments
 She was one of the more remarkable women
of her era.

570. era /ˈɪr·ə, ˈer·ə, ˈiː·rə/
 noun C
 a period of time known for particular events
or developments
 She was one of the more remarkable women
of her era.
 دوره

571. mass /mæs/

572. mass /mæs/

573. mass /mæs/

574. mass /mæs/
 noun C physics

575. mass /mæs/
 noun C physics
 the amount of matter in any solid object or in
any volume of liquid or gas

576. mass /mæs/
 noun C physics
 the amount of matter in any solid object or in
any volume of liquid or gas
 جرم ، توده

577. Material /məˈtɪr·iː·əl/

578. Material /məˈtɪr·iː·əl/
 noun C

579. Material /məˈtɪr·iː·əl/
 noun C
 a type of physical thing, such as wood, stone,
or plastic, having qualities that allow it to be
used to make other things

580. Material /məˈtɪr·iː·əl/
 noun C
 a type of physical thing, such as wood, stone,
or plastic, having qualities that allow it to be
used to make other things
 a hard/soft material

581. Material /məˈtɪr·iː·əl/
 noun C
 a type of physical thing, such as wood, stone,
or plastic, having qualities that allow it to be
used to make other things
 a hard/soft material
 The sculpture was made of various materials,
including steel, copper wire, and rubber

582. Material /məˈtɪr·iː·əl/
 noun C
 a type of physical thing, such as wood, stone,
or plastic, having qualities that allow it to be
used to make other things
 a hard/soft material
 The sculpture was made of various materials,
including steel, copper wire, and rubber
 ماده

583. Word formation
 material /məˈtɪr·iː·əl/ noun C
 materialism /məˈtɪr·iː·əˌlɪz·əm/noun U social
studies
 the belief that money, possessions, and comfort
are the most important things to obtain in life
 materialistic /məˌtɪr·iː·əˈlɪs·tɪk /adjective
 I was a materialistic person, very career-oriented,
with a large ego.
 materialize /məˈtɪr·iː·əˌlɑɪz/ verb I
 1- (of ideas and wishes) to become real or true
 2- appear suddenly

584. base /beɪs/

585. base /beɪs/
 noun C / verb

586. base /beɪs/
 noun C / verb
 the place from which a business operates or a
person works , a place from which the military
operates that provides weapons storage and
housing

587. base /beɪs/
 noun C / verb
 the place from which a business operates or a
person works , a place from which the military
operates that provides weapons storage and
housing
 We have an office in San Diego, but
Washington is still our base.

588. base /beɪs/
 noun C / verb
 the place from which a business operates or a
person works , a place from which the military
operates that provides weapons storage and
housing
 We have an office in San Diego, but
Washington is still our base.
 The military has bases all over the US.

589. base /beɪs/
 noun C / verb
 the place from which a business operates or a
person works , a place from which the military
operates that provides weapons storage and
housing
 We have an office in San Diego, but
Washington is still our base.
 The military has bases all over the US.
 Where is your company based?

590. base /beɪs/
 noun C / verb
 the place from which a business operates or a
person works , a place from which the military
operates that provides weapons storage and
housing
 We have an office in San Diego, but
Washington is still our base.
 The military has bases all over the US.
 Where is your company based?
 پایگاه ، بنا نهادن

591. run /rʌn/

592. run /rʌn/
 verb I/T running ,pt: ran , run

593. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن

594. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.

595. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.
 I She left the engine running while she went
into the store.

596. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.
 I She left the engine running while she went
into the store.
 T Can you run both of these programs at
once?

597. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.
 I She left the engine running while she went
into the store.
 T Can you run both of these programs at
once?
 T They’re running tests on his heart functions.

598. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.
 I She left the engine running while she went
into the store.
 T Can you run both of these programs at
once?
 T They’re running tests on his heart functions.
 running /ˈrʌn·ɪŋ/ noun U

599. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.
 I She left the engine running while she went
into the store.
 T Can you run both of these programs at
once?
 T They’re running tests on his heart functions.
 running /ˈrʌn·ɪŋ/ noun U
 the management or operation of something

600. run /rʌn/
 verb I/T running ,pt: ran , run
 to manage or operate sth, control= راه انداختن
 T She runs the business out of her home.
 I She left the engine running while she went into
the store.
 T Can you run both of these programs at once?
 T They’re running tests on his heart functions.
 running /ˈrʌn·ɪŋ/ noun U
 the management or operation of something
 The running of a large household is not easy.

601. Pole /poʊl/

602. Pole /poʊl/

603. Pole /poʊl/

604. Pole /poʊl/

605. Pole /poʊl/
 noun C

606. Pole /poʊl/
 noun C
 either of the two points at the most northern
and most southern ends of the earth or
another planet, around which the planet turns

607. Pole /poʊl/
 noun C
 either of the two points at the most northern
and most southern ends of the earth or
another planet, around which the planet turns
 the North/South Pole

608. Pole /poʊl/
 noun C
 either of the two points at the most northern
and most southern ends of the earth or
another planet, around which the planet turns
 the North/South Pole
 polar /ˈpoʊ·lər/ adjective

609. Pole /poʊl/
 noun C
 either of the two points at the most northern
and most southern ends of the earth or
another planet, around which the planet turns
 the North/South Pole
 polar /ˈpoʊ·lər/ adjective
 of or near the area around the most northern
or most southern points of the earth

610. Pole /poʊl/
 noun C
 either of the two points at the most northern
and most southern ends of the earth or
another planet, around which the planet turns
 the North/South Pole
 polar /ˈpoʊ·lər/ adjective
 of or near the area around the most northern
or most southern points of the earth
 the polar ice cap

611. Pole /poʊl/
 noun C
 either of the two points at the most northern
and most southern ends of the earth or
another planet, around which the planet turns
 the North/South Pole
 polar /ˈpoʊ·lər/ adjective
 of or near the area around the most northern
or most southern points of the earth
 the polar ice cap
 a polar expedition

612. Pole /poʊl/
 noun C
 either of the two points at the most northern and
most southern ends of the earth or another
planet, around which the planet turns
 the North/South Pole
 polar /ˈpoʊ·lər/ adjective
 of or near the area around the most northern or
most southern points of the earth
 the polar ice cap
 a polar expedition
 قطب ، قطبی

613. mineral /ˈmɪn·ə·rəl/

614. mineral /ˈmɪn·ə·rəl/

615. mineral /ˈmɪn·ə·rəl/

616. mineral /ˈmɪn·ə·rəl/

617. mineral /ˈmɪn·ə·rəl/

618. mineral /ˈmɪn·ə·rəl/
 noun C

619. mineral /ˈmɪn·ə·rəl/
 noun C
 a substance that exists naturally in foods,
water, or the ground, and is not a living
organism

620. mineral /ˈmɪn·ə·rəl/
 noun C
 a substance that exists naturally in foods,
water, or the ground, and is not a living
organism
 a natural substance such as coal, gold, or
diamond STONE that is obtained from the earth
by mining

621. mineral /ˈmɪn·ə·rəl/
 noun C
 a substance that exists naturally in foods,
water, or the ground, and is not a living
organism
 a natural substance such as coal, gold, or
diamond STONE that is obtained from the earth
by mining
 مواد معدنی

622. Word formation
 mine /mɑɪn/ noun C
 a deep hole in the ground made for the removal
of coal and other substances by digging
 a gold mine
 mine /mɑɪn/ verb I/T
 Take out minerals from a mine
 They mine copper in this area.
 miner /ˈmɑɪ·nər/ noun C
 a person who works in a mine
 mining /ˈmɑɪ·nɪŋ/ noun U
 the industry or activity of removing coal and other
substances from the earth

623. microscope /ˈmɑɪ·krəˌskoʊp/

624. microscope /ˈmɑɪ·krəˌskoʊp/

625. microscope /ˈmɑɪ·krəˌskoʊp/

626. microscope /ˈmɑɪ·krəˌskoʊp/

627. microscope /ˈmɑɪ·krəˌskoʊp/

628. microscope /ˈmɑɪ·krəˌskoʊp/
 noun C

629. microscope /ˈmɑɪ·krəˌskoʊp/
 noun C
 a device that makes very small objects look
larger, esp. so that they can be scientifically
examined and studied

630. microscope /ˈmɑɪ·krəˌskoʊp/
 noun C
 a device that makes very small objects look
larger, esp. so that they can be scientifically
examined and studied
 میکروسکوپ

631. microscope /ˈmɑɪ·krəˌskoʊp/
 noun C
 a device that makes very small objects look
larger, esp. so that they can be scientifically
examined and studied
 میکروسکوپ
 microscopic /ˌmɑɪ·krəˈskɑp·ɪk/ adjective

632. microscope /ˈmɑɪ·krəˌskoʊp/
 noun C
 a device that makes very small objects look
larger, esp. so that they can be scientifically
examined and studied
 میکروسکوپ
 microscopic /ˌmɑɪ·krəˈskɑp·ɪk/ adjective
 extremely small, esp. so small that it can only
be seen with a microscope

633. microscope /ˈmɑɪ·krəˌskoʊp/
 noun C
 a device that makes very small objects look
larger, esp. so that they can be scientifically
examined and studied
 میکروسکوپ
 microscopic /ˌmɑɪ·krəˈskɑp·ɪk/ adjective
 extremely small, esp. so small that it can only
be seen with a microscope
 میکروسکوپی

634. Consider /kənˈsɪd·ər/

635. Consider /kənˈsɪd·ər/
 verb T

636. Consider /kənˈsɪd·ər/
 verb T
 to think about a particular subject or thing or
about doing something or about whether to
do something

637. Consider /kənˈsɪd·ər/
 verb T
 to think about a particular subject or thing or
about doing something or about whether to
do something
 Consider Clara Barton, who founded the
American Red Cross.

638. Consider /kənˈsɪd·ər/
 verb T
 to think about a particular subject or thing or
about doing something or about whether to
do something
 Consider Clara Barton, who founded the
American Red Cross.
 We considered moving to California, but
decided not to.

639. Consider /kənˈsɪd·ər/
 verb T
 to think about a particular subject or thing or
about doing something or about whether to
do something
 Consider Clara Barton, who founded the
American Red Cross.
 We considered moving to California, but
decided not to.
 We have to consider what to do next.

640. Consider /kənˈsɪd·ər/
 verb T
 to think about a particular subject or thing or
about doing something or about whether to
do something
 Consider Clara Barton, who founded the
American Red Cross.
 We considered moving to California, but
decided not to.
 We have to consider what to do next.
 توجه کردن ، فکر کردن

641. Word formation
 Consider /kənˈsɪd·ər/ verb T
 consideration /kənˌsɪd·əˈreɪ·ʃən/ noun C/U
 considering /kənˈsɪd·ə·rɪŋ/ preposition,
conjunction, adverb
 considerably /kənˈsɪd·ə·rə·bli/ adverb
 considerable /kənˈsɪd·ə·rə·bəl/ adjective
 considerate /kənˈsɪd·ə·rət/ adjective

642. agency /ˈeɪ·dʒən·si/

643. agency /ˈeɪ·dʒən·si/
 noun C

644. agency /ˈeɪ·dʒən·si/
 noun C
 a business acting for or representing a
person, an organization, or another business,
a government organization

645. agency /ˈeɪ·dʒən·si/
 noun C
 a business acting for or representing a
person, an organization, or another business,
a government organization
 an advertising/employment agency

646. agency /ˈeɪ·dʒən·si/
 noun C
 a business acting for or representing a
person, an organization, or another business,
a government organization
 an advertising/employment agency
 a real estate agency

647. agency /ˈeɪ·dʒən·si/
 noun C
 a business acting for or representing a
person, an organization, or another business,
a government organization
 an advertising/employment agency
 a real estate agency
 federal agencies

648. agency /ˈeɪ·dʒən·si/
 noun C
 a business acting for or representing a
person, an organization, or another business,
a government organization
 an advertising/employment agency
 a real estate agency
 federal agencies
 the Environmental Protection Agency

649. agency /ˈeɪ·dʒən·si/
 noun C
 a business acting for or representing a
person, an organization, or another business,
a government organization
 an advertising/employment agency
 a real estate agency
 federal agencies
 the Environmental Protection Agency
 آژانش ، سازمان

650. agent /ˈeɪ·dʒənt/
 noun C
 a person who acts for or represents another
 someone who works secretly for a
government or other organization
 a travel agent
 He is the agent for several of the highest paid
players in baseball.
 a secret agent
 an undercover agent
 نماینده ، مامور

651. rocket /ˈrɑk·ət/

652. rocket /ˈrɑk·ət/

653. rocket /ˈrɑk·ət/

654. rocket /ˈrɑk·ət/

655. rocket /ˈrɑk·ət/
 noun C / verb I/T

656. rocket /ˈrɑk·ət/
 noun C / verb I/T
 a cylindrical device containing material that
explodes, sending the device through the air

657. rocket /ˈrɑk·ət/
 noun C / verb I/T
 a cylindrical device containing material that
explodes, sending the device through the air
 to travel by rocket, or to rise, increase, or
move very quickly