A state of mental or physical inactivity or sluggishness

• Dullness of feeling; apathy; lack of energy and alertness
• Listlessness that blunts motivation or responsiveness

心理或生理上的不活跃、迟缓状态

• 情感迟钝；冷漠；缺乏精力与警觉
• 使动机或反应迟钝的无精打采

A temporary, hibernation-like state in animals with lowered metabolism

• Marked drop in body temperature and activity to conserve energy
• Common in small mammals or birds during cold or food scarcity

动物中代谢降低的短暂类冬眠状态

• 体温与活动显著下降以节省能量
• 多见于小型哺乳动物或鸟类在寒冷或缺食时