A micrometeorite impact, a snag, a wayward tool or even a misstep can spell doom for an astronaut.
太空人只要

微陨石撞上、
钩
、
个工具失灵、甚

失足,都可能万劫不复。
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) One crossed and recrossed; one stood and bowed ever so gently; one smiled again and again with helpless stupidity; one wondered if she would ever sit down at length one slid thankfully into a chair and settled for a pleasant call.
一个交叉又重新交叉;一个站起来轻轻地鞠躬;一个人一次又一次地微笑着,带着无奈的愚蠢;有人想知道她是否
坐下来,最后谢天谢地地滑
椅子上,安顿下来进行愉快的通话。