标签：杨利伟 相关文章
China's first astronaut says he heard mysterious knocks during his first flight in space - but no one has been able to explain the cause of them. 中国第一名宇航员称其第一次宇宙飞行时听到神秘的敲击声，但没有人能解释原因
发表于:2019-02-17 / 阅读(51) / 评论(0)
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英语美文