Nowhere else in the solar system can one find an atmosphere loaded with free oxygen, which ultimately proved vital to one of the other unique features of Earth -us.
太阳系中没有另外一个具有含氧大气的星球，而含氧大气则是地球的另一个特征的至关重要的前提，这个“特征”就是我们——生命。
Nowhere else in the solar system can one find an atmosphere loaded with free oxygen, which ultimately proved vital to one of the other unique features of Earth - us.
太阳系中没有另外一个具有含氧大气的星球，而含氧大气则是地球的另一个特征的至关重要的前提，这个“特征”就是我们——生命。
It is the only planet known to have an atmosphere containing free oxygen, oceans of liquid water on its surface, and, of course, life.
也是我们已知的唯一拥有含氧大气、表层液态水海洋以及生命的星球。
It is the only planet known to have an atmosphere containing free oxygen, oceans of liquid water on its surface, and, of course, life.
也是我们已知的唯一拥有含氧大气、表层液态水海洋以及生命的星球。
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