音标:[ik'spænʃәn] ;
n. 扩充, 开展, 膨胀
[计] 扩展
n. the act of increasing (something) in size or volume or quantity or scope
n. a function expressed as a sum or product of terms
n. a discussion that provides additional information
词型变化:名词复数形式 : expansions
考试类型:[四级/六级/考研/托福/IELTS]
词性分布:
名词100%

expansion的用法和样例:

例句

用作名词(n.)
  1. Metals undergo expansion when heated.金属加热时会膨胀。
  2. The thermostat is based on the fact that different metals have different coefficients of expansion.恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。
  3. His economic policies paved the way for industrial expansion.他的经济政策为工业的扩展铺平了道路。
  4. The time has come for the firm to consolidate after several years of rapid expansion.公司经过几年的迅速发展之後,该整顿一下了。
  5. This book is an expansion of the play he wrote before.这本书是他以前写的剧本的扩充。

常见句型

用作名词(n.)
  1. The future expansion of the business calls for two new factories.将来业务扩大需要新建两个工厂。
  2. Heat causes the expansion of gases.热使气体膨胀。
  3. His chest is like the expansion of a sea.他的胸怀像大海一样宽阔。
  4. He gave an expansion of that affair.他详述了那件事。
  5. His big book is an expansion of the little book he wrote before.他这本大部头的书是在以前写的一本小册子基础上扩充而成的。

词汇搭配

用作名词 (n.)
形容词+~
  • military expansion军事扩张
  • political expansion政治扩张
  • territorial expansion领土扩张
名词+~
  • arms expansion军备扩充
~+名词
  • expansion joints伸缩接头
介词+~
  • rate of expansion膨胀率
~+介词
  • expansion of arms and war preparation扩军备战
  • expansion of factory工厂扩建
  • expansion of the currency通货膨胀
  • expansion of trade贸易的发展
  • expansion of vocabulary词汇量增长

经典引文

  • The gilded clouds in fair expansion lie.

    出自:Pope
  • The lotus..opens with an expansion such as no other flower knows.

    出自:D. H. Lawrence
【近义词】
【反义词】

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