late 15c., from Latin extractus, past participle of extrahere "draw out," from ex- "out" (see ex-) + trahere "to draw" (see tract (n.1)). Related: Extracted; extracting.
extract (n.)
mid-15c., "digest or summary of something which has been written at greater length," from Late Latin extractum, noun use of neuter of extractus, past participle of extrahere "to draw out" (see extract (v.)). Physical sense of "that which is extracted," especially "something drawn from a substance by distillation or other chemical process" is from 1580s.
中文解释
1、ex- "out" + tract-.
实用例句
1. A dentist may decide to extract the tooth to prevent recurrent trouble.
牙医可能会决定拔掉那颗牙，以免反复发作。
来自柯林斯例句
2. This type of surgery could even be used to extract cancerous growths.
这种外科手术甚至可以用来切除癌性肿瘤。
来自柯林斯例句
3. Blend in the lemon extract, lemon peel and walnuts.
调入柠檬汁、柠檬皮和核桃。
来自柯林斯例句
4. They were performing a short extract from Shakespeare'sTwo Gentlemen of Verona.
他们正表演莎士比亚剧作《维洛那二绅士》中的一个片段。
来自柯林斯例句
5. The following extract is taken from her new novel.
