They have six rooms.

他们有六间屋子。

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My grandparents live in countryside. They have six rooms. The room is big.

我的爷爷奶奶住在农村，他们有六间房，房很大。

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Back from 'Mars' Six men have survived 520 days cooped up in 3 small rooms at the Institute of Biomedical Problems in Moscow, where they were simulating the isolation of a journey to Mars and back.

“火星”归来在莫斯科的生物医学问题研究所6名人员工在经历520天的禁闭，他们被关在3个小房间里模拟拜访火星又返回与世隔绝的旅程。

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