昆虫是外温动物，在长期的进化过程中形成了一整套适应不良低温环境的抗寒机制。
As ectotherm animals, insects developed the cold tolerance mechanism adapting lower temperature during the evolution.
昆虫是外温动物，在长期的进化过程中形成了一整套适应不良低温环境的抗寒机制。
As ectotherm animals, insects developed the cold tolerance mechanism adapting lower temperature during the evolution.
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