expand

英 [ɪkˈspænd]

美 [ɪkˈspænd]

v.  扩大，增加，增强(尺码、数量或重要性); 扩展，发展(业务); 细谈; 详述; 详细阐明

过去分词：expanded　现在分词：expanding　第三人称单数：expands　过去式：expanded　

高考CET4CET6考研TOEFLIELTSGRETEM8计算机

Oxford 3000 / Collins.3 / BNC.2124 / COCA.1572

同义词辨析

amplifyenlargeexpandincrease【导航词义：扩大，增加】

短语动词

短语用例

expand on/upon sth

• 详述；充分叙述；详细阐明
  to say more about sth and add some details
  1. Metals expand when they are heated.
     金属受热会膨胀。
  2. Student numbers are expanding rapidly.
     学生人数在迅速增加。
  3. A child's vocabulary expands through reading.
     孩子的词汇量通过阅读得到扩大。
  4. The waist expands to fit all sizes.
     腰围可松可紧适合任何尺码。
  5. In breathing the chest muscles expand the rib cage and allow air to be sucked into the lungs.
     呼吸时胸部肌肉使胸廓扩大让空气吸入肺部。
  6. The new system expanded the role of family doctors.
     新体制扩大了家庭医生的作用。
  7. There are no plans to expand the local airport.
     目前尚无扩建地方机场的方案。

牛津词典

verb

• 扩大，增加，增强（尺码、数量或重要性）
  to become greater in size, number or importance; to make sth greater in size, number or importance
  1. Metals expand when they are heated.
     金属受热会膨胀。
  2. Student numbers are expanding rapidly.
     学生人数在迅速增加。
  3. A child's vocabulary expands through reading.
     孩子的词汇量通过阅读得到扩大。
  4. The waist expands to fit all sizes.
     腰围可松可紧适合任何尺码。
  5. In breathing the chest muscles expand the rib cage and allow air to be sucked into the lungs.
     呼吸时胸部肌肉使胸廓扩大让空气吸入肺部。
  6. The new system expanded the role of family doctors.
     新体制扩大了家庭医生的作用。
  7. There are no plans to expand the local airport.
     目前尚无扩建地方机场的方案。
• 扩展，发展（业务）
  if a business expands or is expanded , new branches are opened, it makes more money, etc.
  1. We've expanded the business by opening two more stores.
     我们增开了两个商店以扩展业务。
  2. an expanding economy (= with more businesses starting and growing)
     不断发展的经济
• 细谈；详述；详细阐明
  to talk more; to add details to what you are saying
  1. I repeated the question and waited for her to expand.
     我把问题重复了一遍，等着她详细回答。

柯林斯词典

• V-ERG 扩充;扩大;增加
  If somethingexpandsoris expanded, it becomes larger.
  1. Engineers noticed that the pipes were not expanding as expected...
     工程师注意到管道并没有如预期那样膨胀。
  2. The money supply expanded by 14.6 per cent in the year to September...
     截至9月，当年的货币供应增加了14.6％。
  3. We have to expand the size of the image.
     我们不得不放大图像的尺寸。
  4. ...a rapidly expanding universe.
     迅速扩张的宇宙
  5. ...strips of expanded polystyrene.
     聚苯乙烯泡沫条
• V-ERG 扩大；发展；扩展
  If something such as a business, organization, or serviceexpands, or if youexpandit, it becomes bigger and includes more people, goods, or activities.
  1. The popular ceramics industry expanded towards the middle of the 19th century...
     到19世纪中期，大众制陶业得到了发展。
  2. The interest rate's coming down. I'll be able to expand or stay in business...
     利率正在降低，我可以扩大公司或者维持经营。
  3. I owned a bookshop and desired to expand the business...
     我拥有一家书店，想要扩大业务。
  4. Health officials are proposing to expand their services by organising counselling.
     卫生官员计划通过组织咨询来扩展他们的服务。

英英释义

verb

• become larger in size or volume or quantity
  1. his business expanded rapidly
• exaggerate or make bigger
  1. The charges were inflated
  Synonym:inflateblow upamplify
• grow vigorously
  1. The deer population in this town is thriving
  2. business is booming
  Synonym:boomthriveflourish
• expand the influence of
  1. The King extended his rule to the Eastern part of the continent
  Synonym:extend
• make bigger or wider in size, volume, or quantity
  1. expand the house by adding another wing
• add details, as to an account or idea
  1. She elaborated on the main ideas in her dissertation
  Synonym:elaboratelucubrateexpatiateexpositenlargeflesh outexpounddilate
• extend in one or more directions
  1. The dough expands
  Synonym:spread out

双语例句

• The deck is free to expand on neoprene bearings.
  桥面可以在氯丁橡胶支座上自由伸缩。
• The ultimate aim is to expand the network further.
  最终目的是为了进一步拓展该网络。
• In good faith, high quality, mutual benefit, the company will continue to expand with more domestic production, support, distribution, enterprise cooperation and common development hand in hand!
  本着诚信、质优、互惠互利的原则，公司将不断扩展与国内外更多生产、配套、经销企业的携手合作和共同发展！
• In 1981, it established a research programme to improve and expand non-animal testing.
  在1981年，它们设立了一个改进和扩大无动物实验的研究项目。
• China will further expand the scope of its opened-up areas.
  中国要进一步扩大开放范围。
• Third, expand cooperation in international economic affairs.
  第三，扩大国际经济事务中的合作。
• This helps developers expand and add new functions to an existing system.
  这将有助于开发人员向一个已有系统扩展或添加新功能。
• They need to expand the number of farmers who are involved if the scheme's going to really take off
  这个方案要想真正成功，他们就需要增加参与的农场主的人数。
• We use this creatively, in ways that expand our knowledge.
  我们以扩展知识的方式创造性地利用了这一点。
• When gases are heated, they expand.
  气体受热会膨胀。