But in a few very cold regions, the snow never melts.

但是，在一些非常寒冷的地区，雪从不融化。

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Not many people live in the cold regions in the world.

没有多少人住在世界的寒冷地区。

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Weasels that live in cold regions turn white when winter comes.

冬天来临，生活在寒冷地区的鼬变成白色。

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Beijing also requires government agencies to buy energy-efficient products, and it has focused on improving building efficiency in hotels in the China's cold northern regions.

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To address these questions, scientists from China and elsewhere are rushing around the oceans from ice-cold polar regions to the Indo-Pacific Warm Pool, the warmest marine waters in the world.

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"While our results are still very new, our thinking is that the mercury detected by Lamp from the Grail site might be related to an enhancement at the poles caused by mercury atoms generally hopping across the surface and eventually migrating toward the cold polar regions, " said Kurt Retherford, the chief scientist for Lamp.

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