expansion

英 [ɪk'spænʃn] 美 [ɪk'spænʃn]

• n. 膨胀；扩展；扩充

双解释义

n. (名词)

1. [U]扩大,扩张,扩展,膨胀

   action of expanding; state of being expanded

2. [C]扩张物,膨胀物

   sth which has been expanded

详尽释义

n. 名词

1. 膨胀，膨胀物
2. 扩张，扩展，扩大，扩建
3. 扩大物，扩张物，扩大部分
4. 张开，伸展，展开
5. 发展
6. 广袤，辽阔
7. 详述，阐述

英英释义

Noun:

1. the act of increasing (something) in size or volume or quantity or scope

2. a function expressed as a sum or product of terms;

   "the expansion of (a+b)^2 is a^2 + 2ab + b^2"
   

3. a discussion that provides additional information

4. adding information or detail

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。

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

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

近反义词

【近义词】

• growth 【U】增长
• development 发展
• extension 延长
• enlargement 扩大
• increase 增加
• opening out 对开
• accession 到达
• width 宽度
• addition 增加
• breadth 宽度
• elaboration 详细阐述

【反义词】

• contraction 收缩