翻译和例句:
to doparachuting(跳伞). He had to experienceweightlessness(失重状态). Yang said every time he did ……
Preparatory School of Houston were conducting experiments about microgravity (失重状态) and put their samples ……
of over 96 kilometres for three minutes of weightlessness (失重状态).Then C-21 will slide back ……
, astronauts have to cope with weightlessness (失重状态).Flying in the airWithout gravity, the ISS astronauts can ……
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