evacuate
/ɪˈvækjʊeɪt/verb
with obj.
1
- remove (someone) from a place of danger to a safer place使撤离; 疏散, 转移：
several families were evacuated from their homes.
好几户人家被从家中疏散出来。
1.1
- leave or cause the occupants to leave (a place of danger)（使）离开（危险地区）：
fire alarms forced staff to evacuate the building
火警迫使员工撤离大楼
no obj. nearly five million had to evacuate because of air terror.由于受到空中恐怖行动的威胁, 将近500万人不得不撤离。
1.2
- (of troops) withdraw from (a place)（部队）从（某地）撤退; 撤出：
the last British troops evacuated the Canal Zone.
最后的一部分英国军队撤出了运河区。
2
- technical remove air, water, or other contents from (a container)〈技〉抽空（容器）; 出空; 排空：
when it springs a leak, evacuate the pond
如果它因爆裂而漏水, 那就把水从池中排掉
as adj. evacuated an evacuated bulb.真空灯泡。
2.1
- empty (the bowels or another bodily organ)排空（肠道或另一身体器官）; 使空。
2.2
- discharge (faeces or other matter) from the body排泄（粪便等）。
2.3
- figurative deprive (something) of contents, value, or force〈喻〉使失去内容（或价值、力量）：
he evacuated time and history of significance.
他使时间和历史失去了意义。
词源
late Middle English （in the sense 'clear the contents of'）： from Latin evacuat- '(of the bowels) emptied', from the verb evacuare, from e- （variant of ex-） 'out of'+vacuus 'empty'.