1. think of…as 把……看作是
2. a cloud of energetic dust具有能量的尘埃
3. combine into…合成……
4. move around the sun环绕太阳运转
5. become violent变得激烈
6. the solid surface固体表面
7. explode loudly猛烈爆炸
8. in time及时,最终
9. produce the water vapor产生水蒸汽
10. make the earth’s atmosphere构成了地球的大气层
11.cool down冷却
12. on the surface在表面
13. be different from…与……不同
14.go round the sun环绕太阳运转
15. disappear from…从……消失
16. stay on…存留在……
17. show one’s quality显现某人的特性,
18.dissolve harmful gases分解,溶解有害气体,
19. become part of…变成……的一部分,
20. develop life发展生命,
21.grow in the water在水里生长,
22. encourage the development of…鼓励……的发展,
23 millions of years later几万年以后,
24.live on land在陆地上生活,
25. live in the sea在海里生存,
26. grow into forests长成森林,
27. produce young生出幼仔,
28. lay eggs下蛋,
29.animals with hands and feet长着手脚的动物,
30.spread all over the earth遍布全世界,
31.develop new methods发展了新的方法,
32.. move around迁徙,
33. go by过去,推移,
34.prevent…from…防止……做……,
35.escape from… into…从……逃离到……,
36.depend on….依靠,依赖,取决与……,
37. solve a problem解决
38 be lucky enough足够幸运,
39 make a trip 去旅行
40. visit the moon参观月球,
41. in the spaceship在太空飞船中,
42. explain to… that…向……解释……,
43. on the journey在旅程中,
44 be off启程,离开
45 rise into the air升人太空,
46. feel the pull of the earth感觉到地球的拉力,
47. call…gravity称……为地球引力,
48. push…into the seat把……推向座位,
49. say…to each other向彼此说……,
50.fall back to…朝……落下去,
51.fall from a tree从树上掉下来,
52. fall to the ground朝地上落下去,
53. get close to…接近……,
54 cheer up高兴起来,
55 float weightlessly around失重飘来飘去,
56 in the spaceship cabin太空船舱,
57. watch…do看着……做,
58. move freely自由的活动,
59. climb down the steps从梯级上爬下来,
60. step forward向前迈步,
61.fall over摔倒,
62. need practice需要练习
63..get the hang of…掌握了……的诀窍,
64. enjoy oneself感到自如,
65. leave the moon’ s gravity摆脱月球引力
66. come back to…回到……
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