increase
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 company has increased the price of its cars
公司已经提高了汽车价格。
The number of people asking to go there is on the increase.
要求去那儿的人数在增加。
Armed robbery and abduction have been on the increase countrywide
持械抢劫和诱拐案的案发率在全国范围内都有所上升。
Japan's industrial output increased by 2%
日本工业产量增长了2%。
Testosterone does not increase their erectile or orgasmic ability.
睾酮没有提高男性勃起或达到性高潮的能力。
We are experiencing an increasing number of problems.
我们正遇到越来越多的问题。