基本解釋v.減少；減小；降低n.減少；降低詞源解說 14世紀晚期進入英語，直接源自中古英語的decresen，意為減少，縮減。同根派生decreased adj. 減少的decreases相關(guān)詞英漢例句用作動詞 (v.)用作不及物動詞: 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％。decreases更多例句詞組短語用作動詞 (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decreases更多詞組