expansion

英 [ɪkˈspænʃn]

美 [ɪkˈspænʃn]

n.  扩张; 扩展; 扩大; 膨胀

复数：expansions　

CET4CET6考研TOEFLIELTSTEM4TEM8计算机

BNC.2360 / COCA.2734

牛津词典

noun

• 扩张；扩展；扩大；膨胀
  an act of increasing or making sth increase in size, amount or importance
  1. a period of rapid economic expansion
     经济迅猛发展期
  2. Despite the recession the company is confident of further expansion.
     尽管经济衰退，公司对进一步扩展仍充满信心。
  3. 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。

柯林斯词典

• N-VAR 扩张;扩充;扩大;发展
  Expansionis the process of becoming greater in size, number, or amount.
  1. ...the rapid expansion of private health insurance.
     个人健康保险的迅速发展
  2. ...a new period of economic expansion...
     经济发展的新时期
  3. The company has abandoned plans for further expansion.
     该公司已经放弃了进一步扩张的计划。

英英释义

noun

• the act of increasing (something) in size or volume or quantity or scope
  Synonym:enlargement
• adding information or detail
  Synonym:expanding upon
• a discussion that provides additional information
  Synonym:enlargementelaboration
• a function expressed as a sum or product of terms
  1. the expansion of (a+b)^2 is a^2 + 2ab + b^2

双语例句

• Expansion and make-up of the water, air releasing and water treatment.
  扩大和化妆水，空气和水的处理释放。
• With the development of industry and population expansion, the condition will be worse.
  随着工业的发展和人口的增加，这种状况会变得越来越坏。
• A rise in the temperature of the gas results in its expansion.
  气体温度上升致使气体膨胀。
• His big book is an expansion of the little book he wrote before.
  他那本大部头著作是由他以前写的那本小书扩充而成的。
• On Wednesday, Peugeot said it had begun a new chapter in its history and its global expansion.
  周三，标致宣布，它的企业历史和全球扩张都已翻开了新篇章。
• This research helps support an evaluation of the impact of expansion proposals for the Underground system.
  这项研究有助于对扩建地下系统带来的影响进行评估。
• Similarly, risk concentrations that might be acceptable at a single institution in a period of economic expansion could be dangerous if they existed at a large number of institutions simultaneously.
  同样，在经济扩张时期，一个单独的机构可以接受的风险集中，如果在大量的机构中同时存在，就是十分危险的。
• The company has abandoned plans for further expansion.
  该公司已经放弃了进一步扩张的计划。
• Steel and concrete have almost the same rate of contraction and expansion.
  钢和混凝土有几乎相同的收缩率和膨胀率。
• This revolutionary expansion required energetic nation-building policies.
  这种跨越式的扩张需要有活力的国家建设政策。