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最佳答案：1,出了大气层,宇宙飞船就不会感受到地球的引力了.（spaceship；gravity）Out of the atmosphere,the spaceship
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最佳答案：他把他的一生献给了宇宙飞船的研究（devote）He devoted the whole life to the study of space craft.你最
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最佳答案：Concerning public transportation,traditional transport tools have been substitut
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最佳答案：1.在公共交通方面,传统的交通工具被公共的宇宙飞船,潜水艇替代,以太阳能为动力.1.In the field of mass transit,the tradi
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最佳答案：1.Liwei Yang rode in the Shenzhou V manned spaceship to blast off on October 15,
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最佳答案：1 She got remarried since her husband died ten years ago.2 Speacecraft make it p
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最佳答案：We have ridden in a spaceship having got to a space station , have got to Mars a
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最佳答案：He devoted his whole life to the study of spceship.He is an experienced pilot,so
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最佳答案：The information back to EarthThe spacecraft sent to VenusSpace travel to the und