decrease
n. 减少，减小；减少量
vi. 减少，减小
vt. 减少，减小
n.
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
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, reducedecrease 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
decrease
decrease: [14] Etymologically, decrease means ‘ungrow’. It comes from de(s)creiss-, the present stem of Old French de(s)creistre, which was a descendant of Vulgar Latin discrēscēre. This was an alteration of Latin dēcrēscēre, a compound verb formed from the prefix dē-, denoting reversal of a previous condition, and crēscēre ‘grow’ (source of English crescent and a wide range of other words).=> crescent, croissant, increase
decrease (v.)
late 14c., from Anglo-French decreiss-, present participle stem of decreistre, Old French descroistre (12c., Modern French décroître), from Latin decrescere "to grow less, diminish," from de- "away from" (see de-) + crescere "to grow" (see crescent). Related: Decreased; decreasing.
decrease (n.)
late 14c., "detriment, harm;" early 15c. as "a becoming less or smaller," from Anglo-French decres; see decrease (v.).
1. There has been a modest decrease in house prices this year.
房价今年略有下降。
-- 来源 -- 英汉 - 辞典例句
2. The decrease in unemployment was 30 percent.
失业人数减少了百分之三十。
-- 来源 -- 英汉 - 辞典例句
3. Conversely, an expansion is accompanied by a temperature decrease unless heat is added.
反之，如果膨胀时不供给热量，流体的温度就要降低。
-- 来源 -- 英汉 - 辞典例句
4. A decrease in volume causes the molecules to hit the walls more frequently.
减小体积，分子就更加频繁地撞击器壁。
-- 来源 -- 英汉 - 辞典例句
5. Gears on an automobile may be used either to decrease or increase speed.
汽车的排挡可用来加速或减速。
-- 来源 -- 英汉 - 辞典例句
6. In finish cutting we increase the speed and decrease the feed.
精切时，我们增加速度，减少进给量。
-- 来源 -- 英汉 - 辞典例句
7. The workmen want to decrease the working hours and to increase pay.
工人们要减少工作时间,并要增加工资。
-- 来源 -- 英汉 - 辞典例句
8. Proper implementation of a dial should allow linear input in two dimensions: clicking on the dial and moving up or right should increase the value of the dial, and moving down or left should decrease the value.
恰当设计的刻度盘应当允许在两个维度上进行线性输入，单击刻度盘并向上或者向右，就会增加刻度盘上的数值；向下或者向左就会减少数值。
-- 来源 -- About Face 3交互设计精髓
9. Angular perturbations tend to increase instead of decrease.
角扰动倾向于增加而不是减少。
-- 来源 -- 英汉 - 辞典例句
10. During unsaturated growth, the width of the spectral profile will decrease.
在非饱和增长期间，谱线轮廓的宽度将减
-- 来源 -- 英汉 - 辞典例句
decrease
