decrease的用法,

decrease的用法,
decrease的用法,

decrease的用法,
decrease
[di:ˈkri:s]
vt. & vi.
(使)缩短; 减小, 减少
The traffic accidents in the city decreased last year.
该城市去年交通事故减少了.
n.
减小, 降低
There has been some decrease in imports.
进口货物有所减少.
减少(量)
The decrease in sales was almost 20 percent.
销售量差不多减少了20％.
用法词典
decrease
来自拉丁词decrescere〈de- 失出+ crescer长大→减少
参考词汇
decrease , lessen , diminish , reduce , abate , dwindle 这组动词的一般含义为“减少”.
decrease 和lessen比较普通,如果用词不讲究,可以代替这组词中任何其他词.decrease (名词亦为decrease,但重音在第一个音节上)强调数目或使人不快之物的逐渐减少.
如:to decrease the number of working hours,to decrease traffic accidents.

The workmen want to decrease the number of working hours and increase pay.

工人要求减少工作时间而增加工资.

lessen 可以表示数量或程度的减少.
如: to lessen hazard,to lessen anxiety等等.

Light lessens as evening comes on.

随着黄昏的来临,光线逐渐变弱.

diminish 表示减少损失.
如: to diminish research endownments

However,my enthusiasm waned.The time I spent at exercises gradually diminished.

然而,我的热情减退了.我在做操上花的时间逐渐减少了.

reduce 可以表示尺寸、数量、程度或强度的减少,词义引伸之后,可以表示地位、处境、状况的降低.如:to reduce the speed,to reduce household expense,to be reduced to tears,to be reduced to ashes.
This greatly reduced the speed of the ship ,for there was danger that if she travelled too quickly,this rudder would be torn away.

这大大减低了船速,因为如果它走得太快,这个舵会有被冲掉的危险.

reduce 的名词为reduction,abate 的名词为abatement,dwindle的名词为dwindlement.
abate 表示减少时其内涵是使过分或过量的事物得到缓和.
如: to abate taxes,to abate imports.

The doctor gave him some medicine to abate the powerful pain.

医生给了他某种药,以减弱那剧烈的疼痛.

This is a pity,because noise abatement really is a good cause, and it is likely to be discredited if it gets to be associated with bad science.

这是件憾事,因为减少噪音实在是一项美好的事业；如果把它与贫乏的科学知识搅在一起, 那么这种美好的事业有可能使人生疑.

dwindle 特别适用表示“眼看着逐渐缩小”或“渐渐趋于消失”.例如透视原理上的近大远小,即逐渐远离观察者的物体变得似乎越来越小,最终完全消失.
A thin thread of path dwindled and finally disappeared as it climbed the steep slope of the down.

一条小径越远显得越细,在爬上土丘的陡坡时终于消失了.

现代英汉综合大辞典
decrease
[di:ˈkri:s]
vi.
减少[小, 退], 缩短[小], 变小
decrease in number
数目减少
His interest in this subject gradually decreases.
他对这个科目的兴趣逐渐在减退.
词性变化
decrease
[di:ˈkri:s]
vt.
使减少[小, 退, 低, 弱], 缩短[小], 使降低[下降]
It is necessary to decrease the amount of coal used.
必须减缩用煤量.
decrease
[di:ˈkri:s]
n.
[ˈdi:kri:s]
减少, 减小, 减退
亏短数, 减少额, 减小量
This shows a slight decrease on the numbers of the previous month.
这表明比前一个月的数目略有减少.
继承用法
decreasing
[dɪˈkri:sɪŋ]
adj.
词性变化
decreasingly
adv.
渐减地
习惯用语
on the decrease
在减少中, 在下降中
decrease to
减少到
decrease in size by...
(尺寸)减少...
decrease in by...
(尺寸)减少...
特殊用法
estimated net decrease
估计净减额
linear decrease
直线下降
logarithmic decrease
对数递减
potential decrease
电位(下)降, 电位减低
decrease of sensitivity
敏感度减低
参考词汇
[同义词]
decrease dwindle diminish reduce
都含“减少”的意思.
decrease 指“渐渐地减少”, 如:
His temperature decreases.
他的烧退了.
dwindle 同decrease 一样, 也是“逐渐地减少”, 但经常指“减少到无或消耗到完为止”, 如:
My savings have dwindled.
我的积蓄减少了.
diminish 指“形状缩小, 数量减少”, 特指“看得出来的缩小或减少”, 如:
diminish the revenue by reducing tax
用减税而使国家的收入减少.
reduce 指“人为地减少、降低”, 如:
reduce speed
减速.
[同义词]
increase grow
Google 网络词典
decrease 的网络定义:
a change downward; "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"

wordnet.princeton.edu 更多定义
decrease 隐藏摘要
减少
【摘要】 ... 工作经历conduct 经营,处理control 控制cost 成本；费用create 创造decrease 减少demonstrate 证明,示范design 设计develop 开发,发挥devise 设计,发明direct ...

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减小
【摘要】 n.法律顾问,辩护人 crucial a.至关重要的,决定性的 decrease v./n.减少,减小 democratic a.民主的,有民主精神(或作风)的 dependent a.依靠的,依赖的；取决于 ...

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降低
【摘要】 decoder 译码器 decollate 分开 decompression 还原 deconcentration 分散 deconcentrator 分线器 decrease v.减少,降低,缩短 decreasing 递减 decrement 减 ...

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缩短
【摘要】 decoder 译码器 decollate 分开 decompression 还原 deconcentration 分散 deconcentrator 分线器 decrease v.减少,降低,缩短 decreasing 递减 decrement 减 ...

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递减
【摘要】 decrease 递减 decreasing function 递减函数；下降函数 decreasing sequence 递减 序列；下降序列 decreasing series 递减级数；下降级数 decrement 减量 deduce 演绎 ...

同义词：compresscurtailcutdiminishlessenreduceshorten
反义词：increase

decrease
n. 减少,减少之量
v. 减少
例句:
There has been a steady decrease in population in this city.
这个城市的人口在持续下降。
They are making further efforts to decrease military spending.
他们...

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decrease
n. 减少,减少之量
v. 减少
例句:
There has been a steady decrease in population in this city.
这个城市的人口在持续下降。
They are making further efforts to decrease military spending.
他们正在做进一步的努力来减少军费开支。
His interest in this subject gradually decreases.
他对这门学科的兴趣逐渐减退。

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