词典释义：
remove (someone) from a place of danger to a safer place
使撤离；疏散，转移
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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）离开（危险地区）
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fire alarms forced staff to evacuate the building 火警迫使员工撤离大楼
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[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。
(of troops)withdraw from (a place)
（部队）从（某地）撤退；撤出
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the last British troops evacuated the Canal Zone .最后的一部分英国军队撤出了运河区。
〈技〉 抽空（容器）；出空；排空
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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
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[as adj.
evacuated ]an evacuated bulb .真空灯泡。
empty (the bowels or another bodily organ)
排空（肠道或另一身体器官）；使空。
discharge (faeces or other matter) from the body
排泄（粪便等）。
〈喻〉 使失去内容（或价值、力量）
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he evacuated time and history of significance .他使时间和历史失去了意义。
"late Middle English （in the sense ‘clear the contents of’）： from Latin
