单词:parmi
[网络] 韩国;在什麽之间;美锡检科技
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Astronauts Train Underwater for Deep Space Missions 宇航员为太空旅行做水下实验 Manned deep space missions are still a long way off, but space agencies are already testing procedures, equipment and human stamina for operations in extreme
发表于:2018-12-16 / 阅读(188) / 评论(0)
VOA标准英语2015年(八月)
This is For the Record. (SOUNDBITES FROM MOVIES) WILLIAM SHATNER: Space. TOM HANKS: Houston, we have a problem. UNIDENTIFIED ACTOR: Astronaut is awestruck. SANDRA BULLOCK: What do I do? SHATNER: The final frontier. MATT DAMON: I'm going to have to sc
发表于:2018-12-28 / 阅读(236) / 评论(0)
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