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TOEFL IELTS BNC: 2124 COCA: 1572
expand
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verb /ɪkˈspænd/
present tense
I/you/we/theyexpand
he/she/itexpands
present participleexpanding
past tenseexpanded
past participleexpanded
  1. 1
    [I] to become larger in size and fill more space 变大；扩大；膨胀

    The water froze inside the pipe, causing it to expand and burst. 管道里的水结成了冰，导致管身膨胀爆裂。

    We live in an expanding universe. 我们居住在一个不断膨胀的宇宙里。

     Synonyms and related words
    To become larger: grow, expand, swell...
    1. a.
      [T] to make something become larger in size and fill more space 使变大；使扩大；使膨胀

      We plan to expand the pub by adding a family room. 我们打算通过添一个家庭间来扩大这个酒吧。

       Synonyms and related words
      To make something larger: enlarge, maximize, scale up...
  2. 2
    [I] if a business, organization, or activity expands, it grows by including more people, moving into new areas, selling more products etc （企业、组织或活动）扩展，拓展，发展

    Britain's universities expanded at an unprecedented rate at the end of the 20th century. 英国大学在20世纪末的扩展速度可谓史无前例。

    the rapidly expanding IT sector 快速发展的信息技术产业

    expand into :

    The group has expanded into Germany. 这个集团已经拓展到德国。

     Synonyms and related words
    To do business and relating to doing business: account, after hours, asset...
    1. a.
      [T] to make a business, organization, or activity do this 使扩展；使拓展；使发展

      The EU could be expanded to include former communist countries. 欧盟可以通过吸收前共产主义国家来扩大自己的规模。

       Synonyms and related words
      To do business and relating to doing business: account, after hours, asset...
  3. 3
    [I] to talk or write more about something, adding more details or information 详述，充分叙述（以补充）
    expand on/upon :

    I refuse to expand any further on my earlier statement. 对于之前的声明我拒绝再作任何补充。

     Synonyms and related words
    To make something easier to understand: explain, define, put across...
  4. 4
    [I/T] formal to open something that is folded 张开；展开；伸展

    The hawk expanded its wings and soared into the sky. 老鹰展开双翅飞上高空。

     Synonyms and related words
    To spread over an area: spread out, disperse, fan out...
  5. 5
    [T] maths to write an expression in a longer form 展开（数学表达式）
     Synonyms and related words
    To calculate or count: calculate, count, estimate...
TOEFL IELTS BNC: 2124 COCA: 1572
expand

verb

ADVERB | VERB + EXPAND | PREPOSITION ADVERB➤considerably, dramatically, enormously, exponentially, greatly, massively, radically, significantly, vastly顯著地擴展；急速擴大；大規模發展◇The business has expanded greatly over the last year.過去一年中業務擴大了許多。➤further進一步擴展➤globally, internationally, nationally, nationwide, worldwide在全球範圍／在國際範圍／在國內範圍／在全國範圍／在全世界範圍擴展◇A number of the rental companies are expanding globally.許多租賃公司正在全球範圍內拓展業務。➤abroad, overseas向國外／向海外擴展◇Internet companies expanding abroad向海外擴展的網絡公司➤fast, quickly, rapidly快速擴展➤aggressively霸氣十足地擴展◇Both companies are aggressively expanding their business models in Europe.這兩家公司在歐洲咄咄逼人地擴展他們的商業模式。➤successfully成功擴展◇Several brands have successfully expanded their market presence.好幾個品牌成功地擴大了市場份額。➤gradually, slowly逐漸發展；緩慢擴展➤constantly, continually, continuously不斷／繼續／持續擴展▸➤suddenly突然擴展▸➤steadily穩步擴展➤outwards/outward向外擴展VERB + EXPAND➤aim to, be eager to, be keen to, hope to, intend to, look to, plan to, seek to, want to, work to旨在擴展；急於擴大；希望發展；尋求擴展；計劃擴大；想擴展◇The company is looking to expand its operations overseas.公司在尋求開拓海外業務。➤attempt to, try to嘗試擴展◇American publishers attempted to expand their markets overseas.美國的出版商尋求拓展海外市場。➤need to需要拓展◇I needed to expand my possibilities of making a living.我需要拓展我的謀生途徑。➤help (to)有助於擴展◇The store has helped expand the British cheese market by encouraging small dairy farmers.這家商店鼓勵小型奶牛場的農場主生產，從而幫助擴展了英國的奶酪市場。➤begin to, start to開始發展▸➤continue to繼續擴展▸➤seem to似乎在擴展PREPOSITION➤beyond擴展超越⋯◇He has plans to expand beyond computer consulting to include engineer training.他計劃要將公司業務擴展到計算機咨詢之外，包括工程培訓。➤from從⋯發展起來◇The number of managers has expanded from 700 to 1 300.管理者人數已從 700 人擴展到 1,300 人。➤into擴展成為⋯◇The town has expanded into a city.小鎮已發展成為一個城市。➤to伸展到⋯
TOEFL IELTS BNC: 2124 COCA: 1572
expand verb
⇨ expand 1 (Student numbers are expanding.) ⇨ expand 2 (expand a business)expand1

verb

 Student numbers are expanding. 学生人数在增加。expand a business 扩展业务expand ♦︎ widen ♦︎ extend ♦︎ enlarge ♦︎ broaden ♦︎ lengthen ♦︎ stretchThese words all mean to become or make sth larger. 这些词均表示扩大、增加、延长。PATTERNS AND COLLOCATIONS 句型和搭配◆to expand / widen / extend / enlarge / lengthen / stretch to a particular amount◆to expand / widen / extend / enlarge / lengthen by a particular amount◆to expand / widen / extend / enlarge / broaden sth's scope / range◆to expand / widen / extend / broaden your knowledge◆to widen / broaden / extend your experience◆to expand / extend / enlarge your vocabulary◆sth is considerably / slightly expanded / widened / extended / enlarged / broadened◆sth is greatly expanded / widened / extended / enlarged■ expand [intransitive, transitive] to become or make sth greater in size, number or importance （尺寸、数量或重要性）扩大，增加；使增大◆Metals expand when they are heated.金属受热会膨胀。◆Student numbers are expanding rapidly.学生人数在迅速增加。◆The waist expands to fit all sizes.腰部可松可紧，适合任何尺码。◆The new system expanded the role of family doctors.新体系扩大了家庭医生的作用。◆There are no plans to expand the local airport.目前没有扩建地方机场的计划。OPP contract ⇨ shrink   see also grow ⇨ rise ▸ expansion ɪkˈspænʃn

noun

 [uncountable, countable] ◆The expansion of higher education will continue.高等教育将继续扩大规模。◆The book is an expansion of a series of lectures given last year.本书是去年举行的系列讲座的扩充。■ widen [intransitive, transitive] to become or make sth wider; to become or make sth larger in degree or range 变宽；拓宽；扩展◆Her eyes widened in surprise.她惊讶地睁大了眼睛。◆Here the stream widens into a river.溪水在这里变宽，成了一条河。◆They may have to widen the road to cope with the increase in traffic.他们可能得拓宽道路以应对车辆的增多。◆The legislation will be widened to include all firearms.这项法规的适用范围将扩大到所有枪支。OPP narrow ⇨ shrink ■ extend ɪkˈstend [transitive] to make sth longer or larger; to make an idea, influence or business cover more areas or operate in more places 延长；扩展；扩大⋯的范围（或影响）◆You can add value to your house by extending or renovating it.可以通过扩建或修缮使房子增值。◆There are plans to extend the road network in the north of the country.目前有扩大该国北部地区公路网的计划。◆The school is extending the range of subjects taught.学校正在扩展授课学科的范围。◆The company plans to extend its operations into Europe.这家公司打算将业务拓展到欧洲。▸ extension ɪkˈstenʃn

noun

 [countable, uncountable] ◆the gradual extension of the powers of central government中央政府权力的逐渐扩大 (especially BrE) ◆a planned extension to the hospital计划中对医院的扩建■ enlarge [transitive, intransitive] to make sth bigger; to become bigger 扩大；扩充；增大◆There are plans to enlarge the recreation area.目前有扩大娱乐场地的计划。◆Reading will enlarge your vocabulary.阅读能扩大词汇量。◆The little blisters enlarge and eventually burst to form ulcers.这些小水疱变大最终破裂形成溃疡。ⓘ Enlarge is used especially in the passive to mean 'to make a bigger copy of a photograph or document'. * enlarge尤用于被动语态，意为放大照片或文件◆We're going to have this picture enlarged.我们要放大这张照片。 NOTE 辨析 Extend or enlarge?Things that you extend are usually on a larger scale than things that you enlarge: you might extend a house or other building; you might enlarge a picture, or an area within a room, place or building. * extend通常指放大较大的东西，enlarge指放大较小的东西。如果扩大的是house、building等，用extend；如果放大的是picture，或只是房间、场地或建筑内部的一小块区域(area)，用enlarge。■ broaden [intransitive, transitive] to become wider; to affect or make sth affect more people or things 变宽；（使）扩大影响◆Her smile broadened.她笑得更加灿烂了。◆The party needs to broaden its appeal to voters.该党需要进一步吸引选民。OPP narrow ⇨ shrink ■ lengthen [intransitive, transitive] to become or make sth longer （使）变长◆The afternoon shadows lengthened.下午影子拉长了。◆I need to lengthen this skirt.我需要把这条裙子放长。◆He lengthened his stride to catch up with them.他加大步伐赶上他们。 OPP shorten ⇨ shrink ■ stretch [intransitive, transitive] to become or make sth longer, wider or looser by pulling it; to become longer, etc. when you pull it 拉长；拽宽；抻松◆This sweater has stretched.这件毛衣给撑得变形了。◆Stop stretching your sleeves like that!别一个劲地抻袖子了！ⓘ Fabric that stretches becomes bigger or longer when you pull it and returns to its original shape when you stop. * stretch指织物有弹性◆The jeans stretch to provide a perfect fit.这条牛仔裤有弹性，穿起来很贴身。 expand2

verb

 Student numbers are expanding. 学生人数在增加。expand a business 扩展业务expand ♦︎ move on ♦︎ diversify ♦︎ branch out ♦︎ broadenThese words all mean to start doing sth new, either to increase your experience or to be more successful, for example in business. 这些词均表示尝试新事物、拓展业务。PATTERNS AND COLLOCATIONS 句型和搭配◆to expand / diversify / branch out into sth◆to expand / diversify the business / economy◆to expand / broaden your horizons◆a / an company / firm / economy expands / diversifies◆to expand / move on / diversify / broaden further◆to expand / move on / diversify quickly / rapidly■ expand [intransitive, transitive] (especially business 尤用于商业) to make a business bigger by opening new branches and making more money; (of a business) to become bigger in this way 扩展，发展（业务）；（业务）发展◆We've expanded the business by opening two more stores.我们已经增开了两家分店来扩展业务。◆It's a country with an expanding economy (= with more businesses starting and growing).这是个经济在不断增长的国家。▸ expansion ɪkˈspænʃn

noun

 [uncountable] ◆a period of rapid economic expansion经济快速增长的时期■ ˌmove ˈon

phrasal verb

 (especially spoken) to start doing or discussing sth new 开始做（别的事）；换话题◆I've been in this job long enough－it's time I moved on.这个工作我已经干得够久了－该干点别的了。◆Can we move on to the next item on the agenda?我们可以接着讨论下一项议题了吗？■ diversify daɪˈvɜːsɪfaɪ; NAmE daɪˈvɜːrsɪfaɪ [intransitive, transitive] (rather formal, especially business 尤用于商业) to develop a wider range of products, interests, skills, etc. in order to be more successful or reduce risk; to make a business do this 增加⋯的品种；（使）从事多种经营，扩大业务范围◆Farmers are being encouraged to diversify into new crops.目前正鼓励农民兼种新的农作物。◆The company has been trying to diversify its business.这家公司一直力求扩大业务范围。■ ˌbranch ˈout

phrasal verb

to start to do an activity that you have not done before, especially in your work or business 涉足（新工作）；拓展（新业务）◆The company has now branched out into selling insurance.这家公司目前已拓展保险销售业务。◆I decided to branch out on my own (= for example, set up my own business).我决定自己创业。■ broaden [transitive] to increase your experience or knowledge 增长（经验或知识）◆Few would disagree that travel broadens the mind (= helps you to understand other people's beliefs, customs, etc.).旅游有助于开阔眼界，很少有人不同意这一点。◆Spending a year working in the city helped to broaden his horizons.在城里工作的这一年拓宽了他的视野。ⓘ Typical collocates of broaden are horizons, mind, outlook, understanding, knowledge and interests. * broaden的常见搭配词有horizons、mind、outlook、understanding、knowledge和interests。

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