evacuation
/ɪˌvækjʊˈeɪʃən/noun
mass noun
1
- 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.市中心的全面疏散。
2
- the action of emptying the bowels or another bodily organ（粪便等的）排泄。
2.1
- count noun a quantity of matter discharged from the bowels or another bodily organ（粪便等）排泄物。
2.2
- technical the action of emptying a container of air, water, or other contents〈技〉排空; 清除。