hibernation

/ˌhaɪbərˈneɪʃən/

the torpid or resting state in which some animals pass the winter

中文释义：冬眠

Bears enter a deep hibernation during the cold winter months to conserve energy.

熊在寒冷的冬季进入深度冬眠以保存能量。

Some reptiles also undergo hibernation when temperatures drop significantly.

当温度显著下降时，一些爬行动物也会冬眠。