| 正面 | 5021.extract 英 [ˈekstrækt]美 ['ɛkstrækt]     |
|---|---|
| 背面 |      释义： 1、ex- "out" + tract-.vt. 提取；取出；摘录；榨取n. 汁；摘录；榨出物；选粹 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。 extract 摘录ex-, 向外。-tract, 拉，词源同drag, contract. 即抽出来的一块，摘录。 extract (v.)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." |