decrease是什么意思

decrease是什么意思

一、核心释义

"decrease"这个词,简单来说,就是指数量或程度减少、降低的过程。在我们的日常交流中,这个词常用来描述各种事物的减少现象,比如温度下降、人口减少等。

二、具体用法

1、数量减少

当我们谈论数量减少时,"decrease"可以用来表示某种事物的数量正在变小。例如,"The population of the city has been decreasing over the past few years."(这个城市的人口在过去几年里一直在减少。)

2、程度降低

在描述程度降低时,"decrease"可以用来表达某种性质或状态变得不那么强烈。比如,"The pain in his leg started to decrease after he took the medicine."(他服用了药物后,腿上的疼痛开始减轻。)

3、下降趋势

"decrease"还可以用来描述某种趋势或趋势的逆转。例如,"There has been a significant decrease in the number of accidents on this road since the traffic lights were installed."(自从安装了交通信号灯以来,这条路上的事故数量显著减少。)

三、相关短语

1、on the decrease(正在减少中)

例如:"The crime rate in the city is on the decrease."(这个城市的犯罪率正在下降。)

2、decrease by(减少了...)

例如:"The temperature has decreased by 5 degrees Celsius."(温度下降了5摄氏度。)

3、decrease in(在...方面的减少)

例如:"There has been a decrease in the sales of electronic products."(电子产品销量有所下降。)

四、例句

1、The number of students enrolled in the program has decreased by 20% this year.

(今年该项目的报名学生人数减少了20%。)

2、The company's profits have been on the decrease for the past two years.

(过去两年,公司的利润一直在下降。)

3、The government is taking measures to decrease the pollution in the city.

(政府正在采取措施减少城市污染。)

五、文末QA问答

Q:"decrease"和"reduce"有什么区别?

A:"decrease"和"reduce"都表示减少的意思,但"decrease"更侧重于数量或程度上的减少,而"reduce"则更广泛,可以指减少任何形式的大小、数量或程度。

Q:"decrease"可以用于描述价格下降吗?

A:当然可以。比如,"The price of oil has decreased significantly."(石油价格显著下降。)

Q:"decrease"和"diminish"有什么不同?

A:"decrease"通常指数量或程度的减少,而"diminish"则更多地强调价值或重要性的降低,比如"diminish one's confidence"(降低某人的信心)。