decrease

['di:kri:s,di:'kri:s]

v.减少, 减小, 降低
n.减少, 降低

vi.

减; 减少, 减小[(+in/to)]

Car sales are decreasing.

汽车销售量下跌。

vt.

减; 减少, 减小[(+to)]

These measures will help decrease the cost of production.

这些措施有助于降低生产成本。

They are making every effort to decrease the production cost.

他们正尽力减少生产成本。

词形变化

副词: decreasingly | 动词过去式: decreased | 动词过去分词: decreased | 动词现在分词: decreasing | 动词第三人称单数: decreases |

词义辨析

同义:

vt.减少, 减小

lessen  diminish  reduce  curtail  cut  shorten  compress  dwindle  abbreviate  subtract  

反义:

vi.vt.减; 减少; 减小

increase  lengthen  add  extend  multiply  

英英释义

名词 decrease:

a change downward

同义词：lessening, drop-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：diminution, reduction, step-down

动词 decrease:

decrease in size, extent, or range

同义词：diminish, lessen, fall

make smaller

同义词：lessen, minify

补充

decreasedecrease英:[di:ˈkri:s] 美:[dɪˈkris]vt. & vi.1.(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。The population began to decrease.人口开始减少。Interest in the sport is decreasing.人们对此项运动的兴趣已逐渐减退。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。n.1.减小, 降低There has been some decrease in imports.进口货物有所减少。2.减少(量)The decrease in sales was almost 20 percent.销售量差不多减少了20％。

例句

1. The decrease in size was gradual.规模是逐渐减小的。 2. Police statistics show that violent crime is on the decrease.警方的统计数据显示, 暴力犯罪在减少。 3. Across the board, literacy and numeracy are on the decrease.普遍来说, 人们的读写能力和计算能力都在下降。 4. Bank base rates have fallen from 10 per cent to 6 per cent, a decrease of 40 per cent.银行基准利率从10%降到了6%, 下降了40%。 5. Some groups have decreased their cigarette consumption.一些人群减少了烟草消费。 6. The factory had to decrease its output.这家工厂不得不削减产量。 7. The population is decreasing each year.人口数量在逐年下降。 8. The number of crashes decreased by 27 per cent.车祸数量减少了27%。 9. Sales decreased 7% during the first half of the year.前半年的销售量下降了7%。 10. Water consumption decreased during the winter.冬季期间水消耗量减少。 11. During the eight day march across the desert our supply of water decreased rapidly.横越沙漠的八天行军期间我们的水供应迅速减少。 12. to decrease one's work load减轻某人的工作负担 13. to decrease the number of working hours减少工作时间 14. the population of the area has decreased radically.该地区的人口急速下降。 15. the aisles were decreased in height.通道的高度减低了。 16. a decrease in births.出生人口减少。 17. the rate of decrease became greater.减慢的速率加大了。 18. [as submodifier]voters have proved decreasingly willing to support the party.选民们显得越来越不愿意支持该党了。 19. Profits have decreased by 15%.利润下降了15%。 20. decrease speed when you are approaching a road junction.快到路口时便要减速。 21. a 10% decrease in sales销售额下降一成 22. Sales decreased by five percent this year.今年的销售额减少了百分之五。 23. The population is decreasing steadily. = The population is steadily decreasing in size.人口正在持续减少。 24. "By exercising often, you can decrease [=reduce, lower] your chance of developing heart disease."时常锻炼可以降低患心脏病的概率。 25. The driver decreased her speed as she approached the curve.这名女驾驶员在接近弯道时降低了车速。 26. These changes will decrease our expenses.这些变革将减少我们的开支。 27. The patient has a decreased appetite.这个病人食欲不太好。 28. a decreased risk of heart disease心脏病风险降低 29. The medication has been decreasingly effective. [=has gradually been becoming less effective]这种药物的疗效逐渐降低。 30. Studies report a recent decrease in traffic accidents.调查报告称交通事故最近有所下降。 31. We've had a decrease [=reduction] in the number of students enrolling in the school.我们的入校学生人数减少了。 32. significant decreases in activity活动大幅减少 33. "Because of the injury, some decrease in mobility is to be expected."因为有伤，身体移动不太方便是在意料之中。 34. The report showed decreases [=reductions] of between 20 and 30 percent.报告显示减少额在20%至30%之间。 35. a decrease of three dollars下降3美元 36. The number of college applications is on the decrease. [=on the decline]申请读大学的人数在减少。