hibernation

过冬, 冬眠, 避寒

hibernation

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

(hypernym) ,

(derivation) ,

2. cessation from or slowing of activity during the winter; especially slowing of metabolism in some animals

(hypernym) , ,

(derivation) ,

3. the act of retiring into inactivity; "he emerged from his hibernation to make his first appearance in several years"

(hypernym)