两个英语词的区别expansion和extension,请帮忙解释下

两个英语词的区别expansion和extension,请帮忙解释下
两个英语词的区别
expansion和extension,请帮忙解释下

两个英语词的区别expansion和extension,请帮忙解释下
expansion
不可数名词.意为扩大,扩展.如医院学校等的扩展.eg"The rapid expansion of the university has caused a lot of problems.a这所大学急速扩展,引起了不少问题.
extension
可数名词.
(1)(建筑物的)具体所扩建的部分eg"They are just opened the hospital extension.医院的扩建部分刚刚启用.
(2)额外期限,如将做某事的期限延长,即额外期限.eg"I have applied for an extension to my work permit.我已申请把工作许可证的期限延长.
(3)电话分机.eg"what is your extension number?你的分机号码事多少?

expansion
KK: []
DJ: []
n.
1. 扩展;扩张;膨胀[U]
The new factory is large, to allow room for expansion.
新工厂很大,有地方可以扩展。
2. 扩大物[C]
The suburbs are an expansion of cities.
郊区...

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expansion
KK: []
DJ: []
n.
1. 扩展;扩张;膨胀[U]
The new factory is large, to allow room for expansion.
新工厂很大,有地方可以扩展。
2. 扩大物[C]
The suburbs are an expansion of cities.
郊区是城市的延伸。
extension
KK: []
DJ: []
n.
1. 伸展;伸长;扩大[U][(+of)]
the extension of our foreign trade
扩大我们的对外贸易
2. 延长;延期;缓期[U][C]
We had hoped for the extension of the deadline to the end of the week.
我们曾希望把最后期限延至周末。
3. 延长部分;扩大部分;增设部分[C]
We built an extension to our house.
我们扩建了我家的房屋。
4. 电话分机[C]

收起

expansion 扩张，膨胀
extension 延伸，引申，（电话）分机

expansion
[iksˈpænʃən]
n.
扩大, 扩张, 扩展, 膨胀
Heat causes the expansion of gases.
热使气体膨胀。
扩张物, 膨胀物
His big book is an expansion of the little ...

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expansion
[iksˈpænʃən]
n.
扩大, 扩张, 扩展, 膨胀
Heat causes the expansion of gases.
热使气体膨胀。
扩张物, 膨胀物
His big book is an expansion of the little book he wrote before.
他这本大部头的书是在他以前写的一本小册子的基础上扩充而成的。
extension
[iksˈtenʃən]
n.
延伸, 扩展
The pupils disliked the extension of the term.
小学生们不愿延长学期。
增加部分
Our extension is nearly finished.
我们的扩建部分已接近完工。
电话分机
There are telephone extensions in every room.
每个房间都有电话分机。

收起

立体和平面的区别

expand 是形象的，能看见的，纯粹体积变大
extend 是抽象的，看不见但能体会到的，比如企业扩大，你能说是它的体形在变大吗？

expansion是说整体的膨胀、扩张
extension是说一个部分的延伸