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VERB
提取;提炼;挖掘
To extract a substance means to obtain it from something else, for example by using industrial or chemical processes.
例句
...the traditional method of pick and shovel to extract coal...
用镐和铲挖煤的传统方法
Citric acid can be extracted from the juice of oranges, lemons, limes or grapefruit.
柠檬酸可以从橙汁、柠檬汁、酸橙汁或者柚子汁中提取。
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VERB
取出;抽出
If you extract something from a place, you take it out or pull it out.
例句
He extracted a small notebook from his hip pocket...
他从屁股兜里摸出一个小笔记本。
Patterson went straight to the liquor cabinet and extracted a bottle of Scotch...
帕特森径直走到酒柜前，取出一瓶苏格兰威士忌。
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VERB
拔（牙）
When a dentist extracts a tooth, they remove it from the patient's mouth.
例句
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。
She is to go and have a tooth extracted at 3 o'clock today.
她今天3点要去拔颗牙。
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VERB
攫取;榨取
If you say that someone extracts something, you disapprove of them because they take it for themselves to gain an advantage.
例句
...the capitalist system, which extracts huge profits from arms production at the tax-payers' expense...
牺牲纳税人利益、从武器生产中攫取巨额利润的资本主义制度
He sought to extract the maximum political advantage from the cut in interest rates...
他试图从降息中牟取最大的政治好处。
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VERB
设法得到;探出
If you extract information or a response from someone, you get it from them with difficulty, because they are unwilling to say or do what you want.
例句
He made the mistake of trying to extract further information from our director...
他犯了个错误，不该试图从我们的主管那里打探更多的信息。
He used her cash card, and the PIN number he had extracted from her, to take ￡500 from cashpoints.
他套出了她的现金卡密码，然后用她的卡从自动提款机中取走了500英镑。
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VERB
摘录;提取
If you extract a particular piece of information, you obtain it from a larger amount or source of information.
例句
I've simply extracted a few figures...
我只是提取了一些数据。
Britain's trade figures can no longer be extracted from export-and-import documentation at ports.
英国的贸易数据现在不能再从各港口的进出口单证中提取了。
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V-PASSIVE
（从书中）摘录，节选
If part of a book or text is extracted from a particular book, it is printed or published.
例句
This material has been extracted from 'Collins Good Wood Handbook'.
这些材料摘自《柯林斯优秀木材手册》。
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N-COUNT
摘录;选段;引文
An extract from a book or piece of writing is a small part of it that is printed or published separately.
例句
Read this extract from an information booklet about the work of an airline cabin crew.
看看这段从有关航空公司乘务人员工作的信息手册中摘录的文字。
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N-MASS
提取物;精华;汁
An extract is a substance that has been obtained from something else, for example by means of a chemical or industrial process.
例句
Blend in the lemon extract, lemon peel and walnuts.
调入柠檬汁、柠檬皮和核桃。
...fragrances taken from plant extracts.
从植物提取物中获取的香水