reduce

/rɪˈduːs/ v.
一句话记住

减少;降低;使沦为

释义与例句

v. 减少;降低;使沦为
to make something smaller or less
  1. We need to reduce our costs.
    我们需要降低成本。
  2. The medicine quickly reduced her pain.
    这种药很快减轻了她的疼痛。
展开其余 3 条例句
  1. Cycling to work can reduce air pollution in the city.
    骑车上班能减少城市的空气污染。
  2. The shop reduced all winter coats by thirty percent.
    这家店把所有冬季外套降价三成。
  3. The fire reduced the whole village to ashes.
    大火把整个村庄烧成了灰烬。

词源与构词

re-(往回)+ ducere(引导),把数量往回引,就是减少。

re- 前缀 · back,往回
duc 词根 · to lead,引导
记忆钩子 re(往回)+ duc(引):把数字往回拉,就是减少。

词族与关联词

同根词(同一个词根长出来的词)
  • abduct 绑架;诱拐;劫持
    The businessman was abducted on his way home from the office. 这位商人在从办公室回家的路上被绑架了。
  • conduct 进行;实施;指挥
    The team conducted a survey. 团队进行了一项调查。
  • deduce 推断;演绎;推论
    From the wet umbrella, she deduced that it was raining outside. 从湿漉漉的雨伞,她推断外面在下雨。
  • deduct 扣除;减去(尤指从总额中)
    The company deducts tax from every salary payment. 公司每次发薪都会代扣税款。
  • educate 教育;培养
    The program educates children about food safety. 这个项目教育孩子们了解食品安全。
  • induce 诱使;劝说(某人做某事)
    Nothing would induce me to sign such a contract. 什么也不能诱使我在这样的合同上签字。
  • introduce 介绍;引入;推行
    Let me introduce my colleague. 我来介绍一下我的同事。
  • produce 生产;产生;出示
    The factory produces 500 cars a day. 这家工厂每天生产 500 辆汽车。
  • seduce 勾引;引诱(与他人发生性关系)
    The young man tried to seduce his colleague after the party. 聚会后,那个年轻人试图勾引他的同事。
词族(同一词根派生出的不同词性或形式)
  • reduction 减少;缩减
    -tion 名词后缀,reduce 去 e 加 -tion 表“减少的行为”
  • reduced 减少的;降低的
    -ed 构成过去分词兼形容词,表“已经被减少的”
  • reducible 可减少的;可简化的
    -ible 后缀表示“能够被……的”,reduce + -ible
同义词
  • decrease 减少;下降
    decrease 多作不及物,强调数量自身变小;reduce 是及物动词,强调人为把某物降下来。
    Sales decreased sharply after the holiday. 假期过后销量急剧下降。
  • cut 削减
    cut 更口语,常指一次性大幅削减预算、开支;reduce 语气中性,可指逐步降低任何量。
    The firm cut its advertising budget by half. 公司把广告预算削减了一半。
  • lower 降低
    lower 侧重把高度、水平、声音往下调;reduce 侧重数量或程度的减少。
    Please lower your voice in the library. 在图书馆里请把声音放低。
反义词
  • increase 增加
    Fuel prices increase every spring. 燃油价格每年春天都会上涨。
  • raise 提高
    The school raised its entrance standards last year. 这所学校去年提高了入学标准。
易混词(形近或义近,注意区别)
  • produce 生产
    pro-(向前)+ duc 是“往前带出”,所以是生产;reduce 的 re-(往回)+ duc 是“往回带”,所以是减少,方向正好相反。
    This plant produces a strong smell at night. 这种植物在夜间会散发出浓烈的气味。
  • deduce 推断
    de-(向下、从……取出)+ duc 是从线索里把结论引出来,所以是推断;reduce 的 re- 只表往回拉,指数量变小。
    From the footprints we can deduce how many people came. 从脚印我们可以推断出有多少人来过。
常见搭配
  • reduce costs 降低成本
    Sharing offices helped the startup reduce costs. 共用办公室帮助这家初创公司降低了成本。
  • reduce risk 降低风险
    Regular exercise can help reduce risk of heart disease. 经常锻炼有助于降低心脏病的风险。
  • reduce to 简化为;使沦为
    The teacher reduced the long text to a few key points. 老师把长篇课文简化成了几个要点。

相关辨析