decrease过去式

1. 减，减少，降低，减弱，减轻，使缩短，压缩
2. 变小，下降，缩小，缩短，缩减

1. 减少，减小，减退，降低
2. 减少额，减少量
3. 减缩位置

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

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

1.(使)减少;(使)减小;(使)降低
When somethingdecreases or when youdecrease it, it becomes less in quantity, size, or intensity.

e.g. Population growth is decreasing by 1.4% each year...
人口增长率正在以每年 1.4% 的速度下降。
e.g. The number of independent firms decreased from 198 to 96...
公司的数量从 198 个减少到了 96个。

2.减少;减小;降低
Adecrease in the quantity, size, or intensity of something is a reduction in it.

decrease的翻译

e.g. ...adecrease in the number of young people out of work...
失业青年人数的减少
e.g. Bank base rates have fallen from 10 per cent to 6 per cent — adecrease of 40 per cent.
银行的基本利率已从 10% 降到了 6%，降幅高达 40%。

1. The traffic accidents in the city decreased last year.
   该城市去年交通事故减少了。
2. The population began to decrease.
   人口开始减少。
3. Interest in the sport is decreasing.
   人们对此项运动的兴趣已逐渐减退。

1. They decreased the size of the group from 25 to 15.
   他们把小组的人数从25人减少到15人。

1. The decrease in sales was almost 20 percent.
   销售量差不多减少了20％。
2. There has been a decrease in exports.
   出口货物有所减少。
3. Is crime on the decrease?
   犯罪案件是否在减少?

• The bruise was still visible..though the swelling had decreased.

  出自：A. Sillitoe

• Decreasing the chances of his proposal being accepted.

  出自：J. G. Farrell

decrease, diminish, lessen, reduce

这组词都可表示“降低”或“减少”。其区别在于:decrease指各种事物逐渐减少、逐渐衰弱的过程; lessen指减轻强度和减缓烈度,也可指从整体上减去部分或在程度上、数量上的减少; diminish指可以看得出的“缩小”“缩减”; reduce指缩小事物的范围、强度、数量等,也可指级别、地位或经济条件的降低。例如:

Decrease the dose of medicine when you feel better.你感到好些就减少药剂用量。

The number of fighters had now diminished to two, but the hilltop remained in our hands.现在战士只剩下两个人了,但我们仍然占领着山头。

Good lubrication will reduce friction.良好的润滑会减少摩擦。

The noise lessened as the plane got further away.飞机逐渐飞远了,噪音也就减弱了。

decrease，diminish，lessen，reduce，dwindle

这些词的共同含义是“减少，变少”。

decrease指逐渐地、不断地减少。

diminish侧重大小、数量和重要性的不断减小，强调减小的部分。

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

reduce普通用词，含义广。指数量、程度的降低或减少。

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