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

• 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。
• 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。
• 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。
• 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。
• Future expansion of the business calls for two new factories.
  将来业务扩大需要建造两个新工厂。
• 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。
• 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。
• Their desire for expansion has increased.
  他们的扩张欲望有增无减。
• Continued expansion of this production is expected.
  生产的不断扩大是预料中的事。
• Then, evolvement laws of plasma in both isothermal stage and adiabatic expansion stage are discussed.
  进而讨论了等离子体膨胀的绝热阶段和等温阶段的具体演化规律。