the action of taking out something, especially using effort or force
取出;拔出;提取;采掘
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mineral extraction 采矿
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[count noun]
a dental extraction 拔牙。
[with adj.]the ethnic origin of someone's family
家世,祖系;血统
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a worker of Polish extraction .一位波兰血统的工人。
"late Middle English: via Old French from late Latin