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The Earth is the only world known so far to harbor life.
据我们所知，地球是唯一维持生物生存的世界。
youdao
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The Earth is the only world known so far to harbor life.
地球是迄今为止，唯一的已知存在生命的地方。
youdao
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The Earth is the only world known so far to harbor life.
地球是迄今为止，唯一的已知存在生命的地方。
youdao