| 单词 | 失重 |
| 释义 | 〔decondition〕To cause to decline from a condition of physical fitness, as through a prolonged period of inactivity or, in astronauts, through weightlessness in space.使健康恶化：使健康状况恶化，如由于长时期的缺乏运动或由于宇航员在太空中失重〔testify〕the exhilaration of weightlessness, to which many astronauts have testified.许多宇航员都证实了失重的兴奋感〔weightless〕Not experiencing the effects of gravity; being in a state of free fall.失重的：没有经受重力作用的；在自由下落的状态中的 |
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