BackgroundA great deal of scientific data and experiments have indicated weightlessness andsimulated microgravity can lead to apparent muscle atrophy. Muscle atrophy affects astronaut performance both in- and post flight.
研究背景:大量的研究数据和实验资料表明,在失重和模拟失重条件下,骨骼肌会出现明显的废用性萎缩,不仅对航天员返回时的救生构成严重威胁,而且影响航天员返回地面后的再适应能力,因此,寻找有效的预防和治疗肌萎缩的药物,是航天医学领域亟待解决的重要课题之一。
参考来源 - 当归和川芎对尾部悬吊大鼠比目鱼肌的影响及其机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT An astronaut is a person who is trained for travelling in a spacecraft. 宇航员
欢迎女宇航员！
You're such a brave little astronaut.
你是一个多么勇敢的小航天员。
Then what happened to the astronaut?
那个宇航员发生了什么事？
The United States had sent an astronaut of its own into space for the first time in nineteen sixty-one.
VOA: special.2009.07.08
NASA said its astronaut candidates had to be between twenty-five and forty years old and in excellent health.
VOA: special.2009.06.10
For example, one American astronaut on a four-month long mission on the Russian space station Mir saw a vision of his dead father.
VOA: special.2010.02.24
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