音標(biāo)發(fā)音英式音標(biāo) [d??kri?s]美式音標(biāo) [?di?.kri?s]國(guó)際音標(biāo) [di'kri:s, 'di:-, 'di:kri:s, di'k-]英式發(fā)音 美式發(fā)音 基本解釋v. 減少，減小，降低 n. 減少，減??；減少量；減少過(guò)程詞源解說(shuō) 14世紀(jì)晚期進(jìn)入英語(yǔ)，直接源自中古英語(yǔ)的decresen，意為減少，縮減。詞根記憶de(變慢) + cre(生長(zhǎng)) + ase→減少de(相反) + cre(增長(zhǎng)，產(chǎn)生) + ase→與增長(zhǎng)相反的是減少→減少，減小de(相反) + cre(生長(zhǎng)) + ase→減少de(反) + cre(生長(zhǎng)) + ase→減少de(向下) + crease(增長(zhǎng)，產(chǎn)生)→負(fù)增長(zhǎng)→減少，減小；和increase(n./v.增加)一起記同根派生adj性質(zhì)的同根詞decreasing：漸減的。v性質(zhì)的同根詞decreasing：減少；縮減（decrease的ing形式）。decreased adj. 減少的decrease相關(guān)詞英漢例句用作動(dòng)詞 (v.)用作不及物動(dòng)詞: S+～(+A)The traffic accidents in the city decreased last year.該城市去年交通事故減少了。用作及物動(dòng)詞: S+ ～+n./pron.They decreased the size of the group from 25 to 15.他們把小組的人數(shù)從25人減少到15人。用作名詞 (n.)The decrease in sales was almost 20 percent.銷售量差不多減少了20％。decrease更多例句詞組短語(yǔ)用作動(dòng)詞 (v.)～+介詞decrease by 3 times 減少三倍decrease by 5 tons 減少五噸decrease by ten percent 減少百分之十decrease in number 數(shù)目減少decrease to 減少到用作名詞 (n.)形容詞+～gradual decrease 逐漸下降decrease更多詞組英英字典劍橋英英字典 to become less, or to make something become less a reduction柯林斯英英字典dkrisdikrisdkris A decrease in the quantity, size, or intensity of something is a reduction in it. decrease劍橋字典decrease柯林斯字典