记忆方法
1、ex- "out" + tract- + -ion.
英语词源
- extraction (n.)
- early 15c., "process of withdrawing or obtaining" (something, from something else), from Old French estraction "extraction, origin" (12c.) or directly from Medieval Latin extractionem (nominative extractio), noun of action from past participle stem of Latin extrahere "to draw out" (see extract (v.)). Meaning "that which is extracted" is from 1590s. Meaning "descent, lineage" is from late 15c.
权威例句
- 1. Petroleum engineers plan and manage the extraction of oil.
- 石油工程师规划并管理石油的提炼。
- 2. Her real father was of Italian extraction.
- 她的亲生父亲是意大利裔。
- 3. Zidane has become the poster child for a whole generation of French-born youths of North African extraction.
- 齐达内已成为在法国出生、有着北非血统的年轻一代的典范。
- 4. The local economy is overwhelmingly dependent on oil and gas extraction.
- 当地经济过于依赖石油和天然气的开采。
- 5. He married a young lady of Indian extraction.
- 他娶了一位年轻的印度裔女子。
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