This cold and flu season could star a cornucopia of viruses.
这样的感冒和流感易发季节会让病毒称为明星。
In one simulation, a planet with the mass of Neptune situated in the habitable zone of a star - not too hot, not too cold - was given a moon the size of Earth.
在一种模拟的情景中,一个与天王星大小差不多的行星处在一个星球的可栖居的地带,不冷不热,并且周围有一个地球大小的恒星。
The planet is in the "Goldilocks zone" of space around a star where surface temperatures are neither too hot nor too cold for liquid water to form.
这颗行星幸运的位于其恒星附近的“可居住带”,地表温度适中,这使液体水的形成成为了可能。
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