Its job should not to be blowing out hot air - instead it should be telling us exactly when the cold snap is going to end.
它的职责不该是吹热气，而是应该确切地告诉我们，这股冷空气到底何时结束？
Kepler is the first telescope to be designed to find Earth-sized planets that orbit in the "habitable zone" where temperatures are neither too hot nor too cold for water to remain in its liquid state.
开普勒号则是第一个设计用来寻找地球大小的行星的望远镜，这些行星的轨道处于“可居住区域”内，温度既高也不太低，水份可以以液态形式存在，适宜生物生存。
One of the key criteria for a planet to be habitable is that it remains roughly the right distance from its main star to be neither too cold nor too hot.
一颗行星是否宜居的关键标准之一是和主恒星的距离要适当，既不过冷，也不过热。
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