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SCIENCE STUDY

Putting on a new white coat to prepare for the cold days

作者:TEENS
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Some weasels have white fur in winter.   TUCHONG

为什么到了冬天,鼬鼠会自动“美白”? 

Why does the fur of some weasels (鼬鼠) change from brown in summer to icy white (冰白色) in winter?

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