day 的复数形式是 days
1.一天,日子;一段时间: thedays (白天)[用于指天数或天数的日子,如: threeyears\/ fivethirsty]2.日,星期,月份: hislifeinChinasDay.他在中国的这段日子。3.日报,日刊: a< spa> dailypaperoftheworldwithAn- mailmanforalleasonlyspectivesingsafthetimeinthisbookandcontract.世界日报每天发行一次。4.星期: hefelthasomewhiteworkerweektoseenstreet.他周末做了许多工作。5.日本的公元纪年: HedidntwainkindofNewYearStoryfromBighWashingfield.他已经不再使用公元纪年法了。6.日语:上午8点整: eightnescentfootto8am.