词典释义：
双语例句
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Kranz and Lovell and the rest of the Apollo vets are, of course, also plainly, fallibly mortal — a fact betrayed not least by the fact that they're also now old.
当然，克朗兹、罗威尔还有其他执行阿波罗飞行任务的“老人”们总有一天会死去，而且他们现在已经老了。