extension
noun OPAL W
  /ɪkˈstenʃn/
  /ɪkˈstenʃn/
Idioms - [uncountable, countable] extension (of something) the act of increasing the area of activity, group of people, etc. that is affected by something扩大;延伸 - the extension of new technology into developing countries新技术向发展中国家的传播 
- a gradual extension of the powers of central government中央政府权力的逐渐扩大 
- The bank plans various extensions to its credit facilities.银行计划多方面扩展信贷服务。 
- My home life was becoming no more than an extension of my job.我的家庭生活只不过是我工作的延伸。 
 - The company sees brand extensions as a means of tempting back customers.公司将品牌延伸作为吸引回头客的手段。 
- The team appraisal is a logical extension of the individual appraisal interview.团队评估是个人评估面试的合理延伸。 
- This new job is a further extension of his role as a manager.这一新工作是他经理职权的进一步扩展。 
 Collocations Dictionaryadjective- considerable
- great
- major
- …
 
- the extension of new technology into developing countries
- [countable] extension (to something)(North American English also addition)a new room or rooms that are added to a house增加的房间 - They're building an extension to their house.他们正在扩建自家的房屋。 
 Collocations Decorating and home improvementDecorating and home improvementTopics Houses and homesc1, Buildingsc1装饰和改善房屋 房屋 - refurbish/renovate/ (British English) do up a building/a house整修/翻新/修缮楼房/房屋 
- convert a building/house/room into homes/offices/(especially North American English) apartments/(British English) flats把楼房/房子/房间/改建成住房/办公室/公寓 
- extend/enlarge a house/building/room/kitchen扩建/扩大房屋/楼房/房间/厨房 
- build (British English) an extension (to the back/rear of a house)/(North American English) an addition (on/to something)/(British English) a conservatory(在房子后面)扩建;(在某处)增建;建造暖房 
- knock down/demolish a house/home/building/wall推倒/拆除房子/住房/楼房/墙壁 
- knock out/through the wall separating two rooms将两个房间的隔墙打通 
 装饰 - furnish/paint/ (especially British English) decorate a home/a house/an apartment/a flat/a room布置/油漆/装饰住房/房子/公寓/房间 
- be decorated in bright colours/in a traditional style/with flowers/with paintings
- paint/plaster the walls/ceiling给墙壁/天花板上刷油漆/抹灰 
- hang/put up/strip off/remove the wallpaper贴/去除墙纸 
- install/replace/remove the bathroom fixtures/(British English) fittings安装/更换/拆除浴室的固定装置/附加设备 
- build/put up shelves搭架子 
- lay wooden flooring/timber decking/floor tiles/a carpet/a patio铺设木地板/平台木板/地砖/地毯/露台 
- put up/hang/take down a picture/painting/poster/curtain挂上/取下图画/绘画/海报/帘子 
 自己动手;房屋改造 - do (British English) DIY/carpentry/the plumbing/the wiring自己动手做;做木匠活;铺设管道;铺设线路 
- make home improvements改造房屋 
- add/install central heating/underfloor heating/insulation添加/安装中央供暖系统/地暖系统/隔热材料 
- fit/install double-glazing/a smoke alarm安装双层玻璃/烟雾报警器 
- insulate your house/your home/the walls/the pipes/the tanks/(especially British English) the loft在房子/住房/墙壁/管道/热水箱/阁楼里加隔热装置 
- fix/repair a roof/a leak/a pipe/the plumbing/a leaking (especially British English) tap/(North American English usually) faucet维修房顶/裂缝/管子/管道系统/漏水的水龙头 
- block/clog (up)/unblock/unclog a pipe/sink堵住/疏通管道/洗涤池 
- make/drill/fill a hole开/钻/填一个洞 
- hammer (in)/pull out/remove a nail锤进/拔出钉子 
- tighten/untighten/loosen/remove a screw拧紧/拧松/拧开螺丝钉 
- saw/cut/treat/stain/varnish/paint wood锯/切割/加工木料;给木料上色/上清漆/上油漆 
 Collocations Dictionaryadjective- planned
- proposed
- home
- …
 - add
- build
 - extension to
 
- They're building an extension to their house.
- [countable] a new part that is added to a building扩建部分;增建部分 - a planned two-storey extension to the hospital计划在医院增建一栋两层的楼 
 Collocations Dictionaryadjective- planned
- proposed
- home
- …
 - add
- build
 - extension to
 
- a planned two-storey extension to the hospital
- [countable] extension (of something) an extra period of time allowed for something延期;延长期;放宽的期限 - He's been granted an extension of the contract for another year.他的合同获得延期一年。 
- a visa extension延长签证 
- She was given an extension to finish writing her thesis.她获准延期完成论文。 
-  (British English) 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。 
 - He's applied for an extension of his visa.他已经申请了签证续期。 
- The player has signed a five-year contract extension.该运动员已续签了五年的合同。 
 Collocations Dictionaryadjective- one-week
- two-year
- etc.
- …
 - apply for
- ask for
- request
- …
 
- He's been granted an extension of the contract for another year.
- [countable] (abbreviation ext.)an extra phone line connected to a central phone in a house or to a switchboard in a large building. In a large building, each extension usually has its own number.电话分机线;分机号码 - We have an extension in the bedroom.我们的卧室里有一个分机。 
- What's your extension number?你的分机号码是多少? 
- Can I have extension 4332 please?请接 4332 号分机。 
- I'll give you my extension number, so you can phone me directly.我会给你我的分机号,所以你可以直接打电话给我。 
 Collocations Dictionaryadjective- planned
- proposed
- home
- …
 - add
- build
 - extension to
 
- We have an extension in the bedroom.
- [uncountable, countable] the act of making something longer or larger; the thing that is made longer and larger延长;扩大;延长(或扩大)的事物 - The extension of the subway will take several months.扩建地铁需用几个月时间。 
- extensions to the original railway track原有铁路线的若干延伸路线 
 Collocations Dictionaryadjective- considerable
- great
- major
- …
 
- The extension of the subway will take several months.
- (also hair extension)[countable, usually plural] pieces of artificial hair that are added to somebody's own hair to make it longer扩建部分;增建部分 - These extensions are very easy to use and won't damage your own hair.这些接发非常好用,不会损伤自己的头发。 
 
- These extensions are very easy to use and won't damage your own hair.
- [countable] (used before another noun) 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(为非全日制学生开设的)进修部,进修课 - La Salle Extension University拉萨尔大学进修部 
- extension courses大学进修课程 
 Collocations Dictionaryadjective- planned
- proposed
- home
- …
 - add
- build
 - extension to
 
- La Salle Extension University
- [countable] the set of three letters that are placed after the dot (= small round mark) at the end of the name of a file and that show what type of file it is扩展名 - The extension .doc indicates a word-processing file.分机.doc表示文字处理文件。 
 
- The extension .doc indicates a word-processing file.
- [countable] (also extension lead (both British English), North American English extension cord)an extra length of electric wire, used when the wire on an electrical device is not long enough延期;延长期;放宽的期限 
increasing influence扩大影响 
of building建筑 
extra time增加的时间 
phone
making something longer/larger延伸;扩大 
hair头发 
college/university学院;大学 
computing计算机技术 
electrical电的 
词源late Middle English: from late Latin extensio(n-), from extendere ‘stretch out’, from ex- ‘out’ + tendere ‘stretch’.
Idioms 
by extension 
- (formal) taking the argument or situation one stage further引申;再则 - 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。 
 
- The blame lies with the teachers and, by extension, with the Education Service.