基本解釋閏日（指2月29日）同根派生 leap day相關詞英漢例句雙語例句Every four years a leap day helped keep things on track.四年一閏，閏年於二月底增加一閏日以保証萬物步入正軌。When overridden in a derived class, determines whether a date is a leap day.在衍生類別覆寫時，判斷某個日期是否爲閏日。權威例句Leap Day proposals are said to have originated when St.FORBES: Commitment Phobic Men Beware: Women Will Propose Marriage TodayGiven that this is a Leap Day, and if we were to go by Irish tradition, today gives women the power to ask their beaus, boyfriends and significant others for their hand in marriage.FORBES: Commitment Phobic Men Beware: Women Will Propose Marriage TodayThe Leap Day agreement seemed to send a clear signal that Kim Jong Un intended to see through the easing of tensions with America that North Korea was negotiating in Kim Jong Il's last days.ECONOMIST: Banyanleap day更多例句專業(yè)釋義天文學閏日測繪科學技術閏日