remove (someone) from a place of danger to a safer place 使撤离危险地带;疏散,转移 several families were evacuated from their homes. 好几户人家被从家中疏散出来。 ■leave or cause the occupants to leave (a place of danger) (使)撤离(危险地带) fire alarms forced staff to evacuate the building. 火警信号迫使员工撤离大楼。 [no obj.]nearly five million had to evacuate because of air terror. 由于受到空袭的威胁,将近500万人必须撤离。 ■(of troops) withdraw from (a place) (部队)从(某地)撤退;撤离 the last British troops evacuated the Canal Zone. 最后的一部分英国军队撤离了运河区。
(technical)remove air, water, or other contents from (a container) (技)抽空(容器);排空 when it springs a leak, evacuate the pond. 如果向外喷水,那就排掉水池中的水。 [as adj. evacuated]an evacuated bulb. 被抽空空气的灯泡。 ■empty (the bowels or another bodily organ) 排空(肠道或其他身体器官) ■discharge (faeces or other matter) from the body 排泄(粪便等) ■(figurative)deprive (something) of contents, value, or force (喻)使失去内容(价值或力量) he evacuated time and history of significance. 他使时间和往事都失去了意义。
派生 语源
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'