柯林斯詞典extraction /?k?str?k??n/ 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。 返回 extraction劍橋詞典[ 不可數(shù)或單數(shù)名詞：沒有複數(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 . 採(cǎi)鑛破壞了鄕間的環(huán)境。 [ 可數(shù)名詞：有複數(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(guó)／德國(guó)／中國(guó)（等等） 返回 extraction