extraction

noun

/ɪkˈstrækʃn/

[uncountable, countable] the act or process of removing or obtaining something from something else提取；提炼；拔出；开采
- oil/mineral/coal, etc. extraction石油、矿物、煤等的开采
- the extraction of salt from the sea从海水中提取盐
- Commercial peat extraction is destroying many threatened habitats.商业泥炭开采正在摧毁许多受威胁的栖息地。
- Methods of extraction vary from mine to mine.开采方法因矿而异。
[uncountable] of… extraction (formal) having a particular family origin（有…）血统；族裔
- an American of Hungarian extraction匈牙利血统的美国人
- a young American lawyer of Irish extraction一位有爱尔兰血统的年轻美国律师
Topics Family and relationshipsc2
[countable] (specialist) the process of removing a tooth拔牙
- I didn’t like having my teeth drilled but extractions were infinitely worse.我不喜欢让我的牙齿被钻孔，但是拔牙却糟糕得多。

词源late Middle English: via Old French from late Latin extractio(n-), from Latin extrahere ‘draw out’, from ex- ‘out’ + trahere ‘draw’.

词汇	extraction
释义	extraction noun /ɪkˈstrækʃn/ /ɪkˈstrækʃn/ [uncountable, countable] the act or process of removing or obtaining something from something else提取；提炼；拔出；开采 oil/mineral/coal, etc. extraction石油、矿物、煤等的开采 the extraction of salt from the sea从海水中提取盐 Commercial peat extraction is destroying many threatened habitats.商业泥炭开采正在摧毁许多受威胁的栖息地。 Methods of extraction vary from mine to mine.开采方法因矿而异。 [uncountable] of… extraction (formal) having a particular family origin（有…）血统；族裔 an American of Hungarian extraction匈牙利血统的美国人 a young American lawyer of Irish extraction一位有爱尔兰血统的年轻美国律师 Topics Family and relationshipsc2 [countable] (specialist) the process of removing a tooth拔牙 I didn’t like having my teeth drilled but extractions were infinitely worse.我不喜欢让我的牙齿被钻孔，但是拔牙却糟糕得多。词源late Middle English: via Old French from late Latin extractio(n-), from Latin extrahere ‘draw out’, from ex- ‘out’ + trahere ‘draw’.
随便看	the National Museum of Photography, Film and Television the-national-museum-of-photography-film-and-television the National Organization for Women the-national-organization-for-women the National Portrait Gallery the-national-portrait-gallery the National Railway Museum the-national-railway-museum the National Research Council the-national-research-council the National Rifle Association the-national-rifle-association the National Security Council the-national-security-council the National Society for the Prevention of Cruelty to Children the National Theatre the-national-theatre the National Trust the-national-trust the National Urban League the-national-urban-league the National War College the-national-war-college the National Youth Orchestra the Natural History Museum