extension

英 [ɪkˈstenʃn]

美 [ɪkˈstenʃn]

n. 扩大; 延伸; 增加的房间; 扩建部分; 增建部分

复数：extensions　

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Oxford 3000 / Collins.2 / BNC.2123 / COCA.3190

习惯用语

by extension

引申；再则
taking the argument or situation one stage further
The blame lies with the teachers and, by extension, with the Education Service.
应受指责的是教师，再则就是教育机构。

牛津词典

noun

扩大影响 increasing influence

扩大；延伸
the act of increasing the area of activity, group of people, etc. that is affected by sth
1. the extension of new technology into developing countries
  新技术向发展中国家的传播
2. a gradual extension of the powers of central government
  中央政府权力的逐渐扩大
3. The bank plans various extensions to its credit facilities.
  银行计划多方扩展信贷服务。

建筑 of building

增加的房间
a new room or rooms that are added to a house
扩建部分；增建部分
a new part that is added to a building
1. a planned two-storey extension to the hospital
  计划在医院增建一个两层的楼

增加的时间 extra time

延期；延长期；放宽的期限
an extra period of time allowed for sth
1. He's been granted an extension of the contract for another year.
  他的合同获得延期一年。
2. a visa extension
  延长签证
3. The pub had an extension (= was allowed to stay open longer) on Christmas Eve.
  这家酒吧已获准在圣诞前夕延长营业时间。

电话 telephone

电话分机线；分机号码
an extra telephone line connected to a central telephone in a house or to a switchboard in a large building. In a large building, each extension usually has its own number.
1. We have an extension in the bedroom.
  我们的卧室里有一个分机。
2. What's your extension number?
  你的分机号码是多少？
3. Can I have extension 4332 please?
  请接4332号分机。

延伸；扩大 making sth longer/larger

延长；扩大；延长（或扩大）的事物
the act of making sth longer or larger; the thing that is made longer and larger
1. The extension of the subway will take several months.
  扩建地铁需用几个月时间。
2. extensions to the original railway track
  原有铁路线的若干延伸路线
3. hair extensions (= pieces of artificial hair that are added to your hair to make it longer)
  接发

学院；大学 college/university

（为非全日制学生开设的）进修部，进修课
a part of a college or university that offers courses to students who are not studying full-time ; a programme of study for these students
1. La Salle Extension University
  拉萨尔大学进修部
2. extension courses
  大学进修课程

计算机技术 computing

扩展名
the set of three letters that are placed after a dot at the end of the name of a file and that show what type of file it is

电的 electrical

柯林斯词典

（房屋的）扩建部分
Anextensionis a new room or building which is added to an existing building or group of buildings.
N-COUNT （公路、铁路等的）延长线
Anextensionis a new section of a road or rail line that is added to an existing road or line.
1. ...the Jubilee Line extension.
  银禧延长线
N-COUNT 展期；延长期
Anextensionis an extra period of time for which something lasts or is valid, usually as a result of official permission.
1. He first entered Britain on a six-month visa, and was given a further extension of six months...
  他最初持6个月的签证进入英国，后来又获得6个月的续签。
2. Ian Lentern has been granted a three-year extension.
  伊恩·伦特恩已经被批准延期3年。
N-COUNT 扩大;扩展;延伸
Something that is anextension ofsomething else is a development of it that includes or affects more people, things, or activities.
1. Many Filipinos see the bases as an extension of American colonial rule...
  很多菲律宾人视这些基地为美国殖民统治的延续。
2. That's the logical extension of my approach.
  那是对我的方法的合乎逻辑的扩展。
N-COUNT 电话分机（亦用书面缩略ext.）
Anextensionis a telephone line that is connected to the switchboard of a company or institution, and that has its own number. The written abbreviationext. is also used.
1. She can get me on extension 308...
  她打308分机就能联系到我。
2. For further information, please contact 414 3925, extension 2253.
  详情请致电414 3925,转分机2253。
N-COUNT （设备的）延伸部分
Anextensionis a part which is connected to a piece of equipment in order to make it reach something further away.
1. ...a 30-foot extension cord... 30
  英尺的延长线
2. Some of the best extensions are made from sections of rod tube or drainpipe.
  最好的延长管中有些是用杆管或排水管制成的。

英英释义

noun

act of expanding in scope
1. extension of the program to all in need
act of stretching or straightening out a flexed limb
an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
Synonym:extension serviceuniversity extension
an addition that extends a main building
Synonym:annexannexewing
an addition to the length of something
Synonym:elongation
an additional telephone set that is connected to the same telephone line
Synonym:telephone extensionextension phone
amount or degree or range to which something extends
1. the wire has an extension of 50 feet
Synonym:lengthinessprolongation
the ability to raise the working leg high in the air
1. the dancer was praised for her uncanny extension
2. good extension comes from a combination of training and native ability
the most direct or specific meaning of a word or expression
1. the extension of `satellite of Mars' is the set containing only Demos and Phobos
Synonym:referencedenotation
the spreading of something (a belief or practice) into new regions
Synonym:propagation
a string of characters beginning with a period and followed by one or more letters
1. most applications provide extensions for the files they create
2. most BASIC files use the filename extension .BAS
Synonym:filename extensionfile name extension
a mutually agreed delay in the date set for the completion of a job or payment of a debt
1. they applied for an extension of the loan

双语例句

That's the logical extension of my approach.
那是对我的方法的合乎逻辑的扩展。
The support for the fence is mounted on an extension to the table.
篱笆的支撑部分安装在桌子延长出的地方。
A flat-roofed extension will add nothing to the value or appearance of the house.
增建一个平顶房既不会使房子增值也不会使其更美观。
The pupils disliked the extension of the term.
小学生们不愿延长学期。
She can get me on extension 308
她打308分机就能联系到我。
We used so many lights that we needed four extension cords.
我们用的灯很多，因此需要4个接线板。
Our extension is nearly finished.
我们的扩建部分已接近完工。
Our host ran a long extension cord out from the house and set up a screen and a projector.
我们的主人从房里牵出一根延长电线，架起屏幕和投影仪。
They have built an extension to the hospital.
他们扩建了这家医院。
In this article you learned the basics of Ext JS extension and plug-in development.
在本文中，您学习了ExtJS扩展和插件开发的基本理论。