decrease

听听怎么读

英 [dɪˈkri:s]

美 [dɪˈkris]

是什么意思

减少，减小；减少量；

vi.&vt.

减少，减小；

变形

复数：decreases过去式：decreased过去分词：decreased现在分词：decreasing第三人称单数：decreases

双语释义

v.(动词)

vt. & vi. (使)缩短；减小，减少 (cause to) become shorter,smaller,less

n.(名词)

[U]减小，降低reduction
[C]减少(量) amount by which sth decreases

英英释义

decrease[ di'kri:s, 'di:-, 'di:kri:s, di'k- ]

n.
- a change downward
  "there was a decrease in his temperature as the fever subsided"
  同义词：lesseningdrop-off
- a process of becoming smaller or shorter
  同义词：decrement
- the amount by which something decreases
  同义词：decrement
- the act of decreasing or reducing something
  同义词：diminutionreductionstep-down
v.
- decrease in size, extent, or range
  "The amount of homework decreased towards the end of the semester"
  同义词：diminishlessenfall
- make smaller
  "He decreased his staff"
  同义词：lessenminify

学习怎么用

词汇搭配

用作动词 (v.)

～+介词

decrease by 3 times减少三倍
decrease by 5 tons减少五吨
decrease by ten percent减少百分之十
decrease in number数目减少
decrease to减少到

用作名词 (n.)

形容词+～

gradual decrease逐渐下降
sharp decrease急剧下降
slight decrease略微减少
steady decrease稳定下降

介词+～

on the decrease在减少

～+介词

decrease in在…方面的减少
decrease in production生产下降
decrease to three hundred减少到300

词组短语

on the decrease在减少中

decrease by减少了…

同近义词辨析

diminish, decline, alleviate, decrease, reduce

这组词都有“减少，减轻”的意思，其区别是：

diminishv.指因为不断消耗，在数量方面缓慢减少，也指在素质或者价值的下降。

The supply of oil has diminished because of the war.由于战争石油的供应减少了。

decline v. (数目、价格、比率)下降；谢绝，婉言推辞；衰退，衰落。

Last year, the crime rate in Chicago has sharply declined.去年芝加哥的犯罪率明显下降。

He declined our invitation to dinner.他婉拒了我们请他吃饭的邀请。

alleviatev.在痛苦方面的减轻，缓和

The painkiller alleviated the pain.止疼药减缓了疼痛。

decreasev.指数量上的减少；力量或者强度的减弱。

The population decreased a lot last year.去年人口数量急剧下降。

reducev.指人为地使某物在数量或重量方面的减少或降低。

He reduced the amount of money they could spend.他缩减了他们的开销。

diminish, decline, decrease, reduce

这组词都有“减少”的意思，其区别是：

diminish v. (力量、势力)减弱，减少，强调由于某种原因而减少，这种减少可以造成能够为人们所察觉的后果或损失。

The need to take action has diminished.已经没有多少需要采取行动的必要性了。

decline v. (数量、数字、价格、比率)下降，下落。

Last year, the crime rate in Chicago has sharply declined.去年芝加哥的犯罪率明显下降。

decreasev.减少，减小，强调逐渐地下降或减少的过程。

reducev.是及物动词，指通过人为的方法在数量、规模、范围等方面减少，也可以指在地位、重要性方面降低等级。

He reduced his weight by 20 pounds by eating less and exercising.他通过节食和运动，体重减轻了20磅。

decrease, reduce

decrease 多表示逐渐缩小。如：The swelling decreased daily.(肿胀日渐消退。)

reduce 为常用词，使用范围较大，可指尺寸，数量，规模和程度等，也可指地位，经济状况。如：He won’t reduce the rent of the house.(他不愿降低房租。)

diminish, dwindle, lessen, decrease, reduce

这组词都有“减少，变少”的意思，其区别是：

diminish侧重大小数量和重要性的不断减小，强调减小的部分。

dwindle与decrease同义，指逐渐减小，但强调变得越来越少终至全无。

lessen普通用词，与decrease近义。指数目、程度、价值、实力等的减少。

decrease指逐渐地、不断地减少。

reduce普通用词，含义广。指数量、程度的降低或减少。

双语例句

用作动词(v.)

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。
The government projected a tax decrease.
政府计划降低税收。
They tried to decrease the costs.
他们设法降低成本。

用作名词(n.)

The new treatment led to a huge decrease in the number of deaths.
新的疗法使死亡率急剧减少。
There has been a steady decrease in population in this city.
这个城市的人口在持续下降。

权威例句

Paradoxical decrease of an adipose-specific protein, adiponectin, in obesity. 1999.
Mammalian microRNAs predominantly act to decrease target mRNA levels.
Explaining the Decrease in U.S. Deaths from Coronary Disease, 1980–2000
Neurogenesis in the dentate gyrus of the adult rat: age-related decrease of neuronal progenitor proliferation.
Cbfa1-Independent Decrease in Osteoblast Proliferation, Osteopenia, and Persistent Embryonic Eye Vascularization in Mice Deficient i...
Interleukin 6 causes growth impairment in transgenic mice through a decrease in insulin-like growth factor-I. A model for stunted gr...
Analysis of the Increase and Decrease Algorithms ...
Decrease in Anogenital Distance among Male Infants with Prenatal Phthalate Exposure
Exotic plants increase and native plants decrease with loss of foundation species in sagebrush steppe.
The Surgeon General's Call To Action To Prevent and Decrease Overweight and Obesity

同义词