the action of evacuating a person or a place 撤离;疏散;撤退;转移 there were waves of evacuation during the blitz. 闪电战期间,大批大批的人被疏散。 [count noun]a full-scale evacuation of the city centre. 市中心全面疏散。
the action of emptying the bowels or another bodily organ (粪便等的)排泄 ■[count noun]a quantity of matter discharged from the bowels or another bodily organ (粪便等)排泄物 ■(technical)the action of emptying a container of air, water, or other contents (技)排空;清除
语源
late Middle English: from late Latin evacuatio(n-), from evacuare 'to empty' (see evacuate)