expansion解释

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

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

1.

1. 扩充：20世纪60年代以来,发展中国家高等教育面临着扩充(expansion)、多样化(differentiation)和知识(knowledge revolution)这三大挑战. 这些挑战改变了高等教育及其存在的环境,对发展中国家产生了强有力的影响,

2.expansion：exp; 膨胀

3.expansion：expan; 合拢

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。

• military expansion军事扩张
• political expansion政治扩张
• territorial expansion领土扩张

• arms expansion军备扩充

• expansion joints伸缩接头

• rate of expansion膨胀率

• 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