看到飘满彩旗的轮船驶进港口，我们才不再为它能否安全返航而担心。
We stopped worrying about the ship's safe arrival when she sailed into the harbour with all her flags flying.
带着快乐释然的微笑，两名宇航员（一名来自美国，一名来自俄罗斯）从国际宇宙空间站安全返航。
Smiles of happiness andrelief , as a US astronaut and a Russian cosmonaut return safely to earth from the International Space Station.
7月21日，亚特兰蒂斯号结束最后一次任务安全返航，结束了国家航空航天局30年的航天飞机之旅，也结束了美国的载人航天飞行。
Atlantis returned safely from its final mission on July 21st, bringing an end to 30 years of NASA's space-shuttle voyages, and thus to American manned flights in space.
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