extraction
柯林斯詞典
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(tǒng)[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 /?k?str?k??n/
劍橋詞典
- [ 不可數(shù)或單數(shù)名詞：沒有復(fù)數(shù)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 . 采礦破壞了鄉(xiāng)間的環(huán)境。
[ 可數(shù)名詞：有復(fù)數(shù)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