hi·ber·nate /ˈhaɪbɚ/
  (vi.)過冬,冬眠,避寒
  hi·ber·nate /ˈhaɪbɝˌnet/ 不及物動詞
  冬眠,越冬
  Hi·ber·nate v. i. [imp. & p. p. Hibernated p. pr. & vb. n. Hibernating ]  To winter; to pass the season of winter in close quarters, in a torpid or lethargic state, as certain mammals, reptiles, and insects.
     Inclination would lead me to hibernate, during half the year, in this uncomfortable climate of Great Britain.   --Southey.
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  hibernate
       v 1: sleep during winter; "Bears must eat a lot of food before
            they hibernate in their caves" [syn: hole up] [ant: estivate,
             estivate]
       2: be in an inactive or dormant state