extraction
柯林斯词典
1. N-UNCOUNT If you say, for example, that someone is of French extraction, you mean that they or their family originally came from France. 血統[正式] [with supp]
Her real father was of Italian extraction. 她的生父是意大利裔。
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extraction /ɪkˈstrækʃən/
剑桥词典
- [ 不可數或單數名詞：沒有複數形式的名詞 ]
the process of removing something, especially by force
（尤指用力的）拔出，提取
The extraction of minerals has damaged the countryside . 採鑛破壞了鄕間的環境。
[ 可數名詞：有複數形式的名詞 ] medical specialized
the process of removing a tooth
拔牙
She had two extractions. 她拔了兩顆牙。
be of French, German, Chinese, etc. extraction
to be from a family that originally came from another country
祖籍法國／德國／中國（等等） 返回 extraction