decrease

英 [dɪˈkriːs , ˈdiːkriːs]

美 [dɪˈkriːs , ˈdiːkriːs]

v.  (使大小、数量等)减少，减小，降低
n.  减少; 降低; 减少量

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

高考CET4CET6考研TOEFLIELTSTEM4TEM8BEC

Oxford 3000 / Collins.2 / BNC.4237 / COCA.3370

同义词辨析

decreasediminishlessenreduce【导航词义：减少，降低】

牛津词典

verb

• （使大小、数量等）减少，减小，降低
  to become or make sth become smaller in size, number, etc.
  1. The number of new students decreased from 210 to 160 this year.
     今年新生人数从210减少到160。
  2. The price of wheat has decreased by 15%.
     小麦价格降低了15%。
  3. This species of bird is decreasing in numbers every year.
     这种鸟的数量在逐年减少。
  4. a decreasing population
     逐渐减少的人口
  5. People should decrease the amount of fat they eat.
     人们应减少脂肪的摄入量。

noun

• 减少；降低；减少量
  the process of reducing sth or the amount that sth is reduced by
  1. There has been some decrease in military spending this year.
     今年的军费开支有所减少。
  2. a decrease of nearly 6% in the number of visitors to the museum
     参观博物馆人数下降将近6%

柯林斯词典

The verb is pronounced /dɪ'kriːs/. The noun is pronounced /'diːkriːs/. 动词读作 /dɪ'kriːs/。名词读作 /'diːkriːs/。


• V-ERG (使)减少;(使)减小;(使)降低
  When somethingdecreasesor when youdecreaseit, it becomes less in quantity, size, or intensity.
  1. 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。
  2. The number of independent firms decreased from 198 to 96...
     独立公司的数量从 198 个减少到了 96个。
  3. Raw-steel production by the nation's mills decreased 2.1% last week...
     上周该国钢铁厂的原钢产量下降了 2.1%。
  4. Since 1945 air forces have decreased in size...
     自 1945 年以来，空军的规模已经有所缩减。
  5. Gradually decrease the amount of vitamin C you are taking...
     逐渐减少维生素 C 的服用量。
  6. We've got stable labor, decreasing interest rates, low oil prices.
     我们拥有稳定的劳力、不断降低的利率以及低廉的石油价格。
• N-COUNT 减少;减小;降低
  Adecrease inthe quantity, size, or intensity of something is a reduction in it.
  1. ...a decrease in the number of young people out of work...
     失业青年人数的减少
  2. Bank base rates have fallen from 10 per cent to 6 per cent — a decrease of 40 per cent.
     银行的基本利率已从 10% 降到了 6%，降幅高达 40%。

英英释义

noun

• the act of decreasing or reducing something
  Synonym:diminutionreductionstep-down
• the amount by which something decreases
  Synonym:decrement
• a change downward
  1. there was a decrease in his temperature as the fever subsided
  2. there was a sharp drop-off in sales
  Synonym:lesseningdrop-off
• a process of becoming smaller or shorter
  Synonym:decrement

verb

• decrease in size, extent, or range
  1. The amount of homework decreased towards the end of the semester
  2. The cabin pressure fell dramatically
  3. her weight fell to under a hundred pounds
  4. his voice fell to a whisper
  Synonym:diminishlessenfall
• make smaller
  1. He decreased his staff
  Synonym:lessenminify

双语例句

• Raw-steel production by the nation's mills decreased 2.1% last week
  上周该国钢铁厂的原钢产量下降了2.1%。
• Catagensis is marked by a loss of hydrogen, and consequently by a decrease of the h/ c ratio.
  后生阶段以氢减少必然导致h／d比率降低为特征。
• Should I decrease the amount of fragmentation and interruption in my work?
  我是否应该减少工作的破碎性和干扰因素？
• Gradually decrease the amount of vitamin C you are taking
  逐渐减少维生素C的服用量。
• These kinds of manual controls all decrease final quality as well as increase time-to-market.
  这些种类的手工控制都减少了最终质量，并且增加了投放市场的时间。
• Increase and decrease the number of used threads depending on load.
  根据负载增加和减少使用线程的数量。
• The number of independent firms decreased from 198 to 96
  独立公司的数量从198个减少到了96个。
• Last year there was a 20% decrease in his earnings.
  去年他的收入减少了20%。
• There has been a decrease in traffic accidents.
  交通事故减少了。
• The population began to decrease.
  人口开始减少。