Some warm-blooded animals, like the cat, the dog or the wolf, do not need to hibernate; they lead an active life which keeps up their normal body temperature even in very cold winter weather.

 
  • 一些温血动物,如猫、、、需要冬眠,他们生活得很活跃,即使在严寒的冬天也能保持正常的体温。
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