expand
单词辨析：
指放大声音等，尤指音乐声。
Can you amplify the signal?
你能把信号放大吗？
He amplified the sound through the musical instrument.
他通过这种乐器把声音扩大了。
指放大尺寸、面积、容量等。
enlarge a farm/hotel/photo
扩大农场/扩建酒店/放大相片
An effective way to enlarge your vocabulary is to read newspapers.
扩大词汇量的一个有效办法就是看报纸。
强调向外扩张。
expand metal/territory
使金属膨胀/扩展领土
The city's population expanded rapidly in the 1970s.
20世纪70年代，该城市的人口迅速增加。
The ancient city walls were demolished and the urban area was expanded.
古城墙被拆掉，城区被扩大了。
指增加数目或数量。
The number of female students has increased.
女学生的人数增加了。
They had to increase their investment.
他们只好增加投资。
We must increase industrial production.
我们必须增加工业生产。
相关例句：
The popular ceramics industry expanded towards the middle of the 19th century
到19世纪中期，大众制陶业得到了发展。
This helps developers expand and add new functions to an existing system.
这将有助于开发人员向一个已有系统扩展或添加新功能。
We use this creatively, in ways that expand our knowledge.
我们以扩展知识的方式创造性地利用了这一点。
We borrow a ￡ 10, 000 loan to expand the business.
为了扩大企业，我们借了一万英镑的款。
As your horizons expand, these new ideas can give a whole new meaning to life
随着眼界不断开阔，这些新观念会为生活赋予全新的意义。
You can improve and expand many elements of the current script in an updated version of the application.
您可以在更新版本的应用程序中对当前脚本中的众多元素进行改进和扩展。