decrease

听听怎么读
英 [dɪˈkri:s]
美 [dɪˈkris]
是什么意思
  • 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)
    1. vt. & vi. (使)缩短;减小,减少 (cause to) become shorter,smaller,less
    n.(名词)
    1. [U]减小,降低reduction
    2. [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.)
    1. 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。
    2. His interest in this subject gradually decreases.
      他对这门学科的兴趣逐渐减退。
    3. The government projected a tax decrease.
      政府计划降低税收。
    4. They tried to decrease the costs.
      他们设法降低成本。
    用作名词(n.)
    1. 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。
    2. There has been a steady decrease in population in this city.
      这个城市的人口在持续下降。

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