extract

noun

1. a passage selected from a larger work

e.g. he presented excerpts from William James' philosophical writings

Synonym: excerptexcerptionselection

2. a solution obtained by steeping or soaking a substance (usually in water)

Synonym: infusion

verb

1. extract by the process of distillation

e.g. distill the essence of this compound

Synonym: distilldistil

2. calculate the root of a number

3. take out of a literary work in order to cite or copy

Synonym: excerpttake out

4. remove, usually with some force or effort
also used in an abstract sense

e.g. pull weeds
extract a bad tooth
take out a splinter
extract information from the telegram

Synonym: pull outpullpull uptake outdraw out

5. obtain from a substance, as by mechanical action

e.g. Italians express coffee rather than filter it

Synonym: press outexpress

6. separate (a metal) from an ore

7. deduce (a principle) or construe (a meaning)

e.g. We drew out some interesting linguistic data from the native informant

Synonym: educeevokeelicitdraw out

8. get despite difficulties or obstacles

e.g. I extracted a promise from the Dean for two new positions

The verb is pronounced /ɪk'strækt/. The noun is pronounced /'ekstrækt/. 动词读作 /ɪk'strækt/，名词读作 /'ekstrækt/。

1. 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.

e.g. ...the traditional method of pick and shovel to extract coal...
用镐和铲挖煤的传统方法
e.g. 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。

extraction
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. 取出;抽出
If you extract something from a place, you take it out or pull it out.

e.g. He extracted a small notebook from his hip pocket...
他从屁股兜里摸出一个小笔记本。
e.g. 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。

3. 拔（牙）
When a dentist extracts a tooth, they remove it from the patient's mouth.

e.g. 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。
e.g. She is to go and have a tooth extracted at 3 o'clock today.
她今天3点要去拔颗牙。

extraction
In those days, dentistry was basic. Extractions were carried out without anaesthetic.
那时候，牙科学刚起步，拔牙都不打麻药。

4. 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.

e.g. ...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
e.g. 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。

5. 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.

extract的意思

e.g. 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。
e.g. 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。

6. 摘录;提取
If you extract a particular piece of information, you obtain it from a larger amount or source of information.

extract

e.g. I've simply extracted a few figures...
我只是提取了一些数据。
e.g. 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。

7. （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.

e.g. 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》。

8. 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.

e.g. 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。

9. 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.

e.g. Blend in the lemon extract, lemon peel and walnuts.
调入柠檬汁、柠檬皮和核桃。
e.g. ...fragrances taken from plant extracts.
从植物提取物中获取的香水

10. see also: yeast extract

1. 抽取：0、关联复制 抽取(Extract) 引用(Instance Feature)11、特征编辑 参数(Edit Feature Parameters) 定位(Edit Positioning) 移动(Move Feature) 重排序(Reorder Feature) 删除(Delete Feature) 抑制(Suppress Feature) 取消抑制(Unsuppress Feature) 去除参数(Remove Parameters) 实体密度(Density)第二部分课程内容本部分学习

2.

2. 取出：你可以从这样的一个收集品中抽取出(extract)一份单一的文件,并且在本『许可证』下将它单独地散布,其条件是你要在抽取出的文件中插入本『许可证』的一份副本,并且在关於那份文件的逐字的复制的所有其它方面,遵循本『许可证』.

3. 提取：用户可以手动选择/ 放弃冲突来合并版本.Repository Brower 中的树形结构会列出该项目包含的各级子目录和对象.如图 7 所示.图 7 Repository Brower 3.3.2 提取(Extract) 提取( ) 当用户需要恢复旧有文件版本时,