a decrease in sth
表示某方面数量的减少,in 后接减少所涉及的方面。
There has been a decrease in the number of students.
学生人数有所减少。
减少;下降;减少量
decreases — plural of decrease
减针;数量减少或被减少的量。;针数的减少,通常通过将要减少的针悬挂在另一个现有针上或与另一针一起编织来实现。
An amount by which something becomes smaller or is made smaller.
数量减少或被减少的量。
An amount by which a quantity decreases or is decreased.
针数的减少,通常通过将要减少的针悬挂在另一个现有针上或与另一针一起编织来实现。
A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting).
The company reported a decrease in profits this quarter.
公司报告本季度利润下降。
用法提示:decrease作为名词,表示数量上的减少
There has been a steady decrease in the population of the village over the years.
多年来该村人口持续减少。
用法提示:decrease作为名词,描述持续下降的趋势
We observed a significant decrease in temperature after the storm.
我们观察到风暴过后气温显著下降。
用法提示:decrease作为名词,表示具体数值的降低
表示某方面数量的减少,in 后接减少所涉及的方面。
There has been a decrease in the number of students.
学生人数有所减少。
of 后接具体的减少幅度。
Sales showed a decrease of ten percent last year.
去年销售额下降了百分之十。
from...to... 说明减少的起点和终点。
The temperature showed a decrease from 30°C to 20°C.
气温从30摄氏度下降到20摄氏度。
固定搭配,表示正在减少、呈下降趋势。
Traffic accidents are on the decrease.
交通事故正在减少。
最直接的同义词,可互换,但reduction更常用于数量或程度的主动减少。
强调逐渐或持续地变少,常指数量、强度或质量的下降。
多指突然或急剧的下降,常用于价格、温度或水平。
与drop类似,但更强调自然或非人为的减少,如气温、物价。
强调人为或故意的减少,常指预算、开支或人员。
grammar · medium
易错句子There was decrease in sales last quarter.
正确表达There was a decrease in sales last quarter.
decrease 作名词表示“一次下降/减少量”时可数,单数泛指必须加不定冠词 a/an。汉语没有冠词,所以容易漏掉 a。
grammar · medium
易错句子There was a decrease on sales last quarter.
正确表达There was a decrease in sales last quarter.
表示“在某方面出现下降”时用 decrease in + 下降的领域(sales),不用 on;汉语“在销售上下降”容易直译成 on。
grammar · medium
易错句子There were a decrease in sales last quarter.
正确表达There was a decrease in sales last quarter.
there be 结构中,主语是单数名词 a decrease,谓语必须用 was;不能因为后面的 sales 是复数而误用 were,这是主谓一致错误。
针对decrease的名词义项‘减少;减少量’,指数量或程度上的增加
在...方面的减少
There has been a decrease in sales this quarter.
本季度销售额有所下降。
显著减少
The company reported a significant decrease in profits.
该公司报告利润大幅下降。
略微减少
There was a slight decrease in temperature overnight.
夜间气温略有下降。
稳步减少
We observed a steady decrease in the population of the species.
我们观察到该物种的数量稳步减少。
减少的幅度
The decrease of 10% in revenue was unexpected.
收入减少10%是出乎意料的。
de- (down, away) + -crease (grow)
in- (into, upon) + -crease (grow)
常与decrease搭配,表示下降的速率
decrease常以百分比形式表示
decrease是趋势的一种类型
decrease通常表现为一个具体数字
decrease可以是一个测量结果
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Preparing Confusing words
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显示出减少
The latest data show a decrease in unemployment.
最新数据显示失业率下降。