ahead of time片語KK [əˋhɛd ʌv taɪm] /əˈhɛd ʌv taɪm/發音片語1事先、預先、提前Please let me know ahead of time if you cannot attend.如果你不能出席，請事先通知我。2提早、提前The construction crew finished the bridge two months ahead of time.施工隊提早兩個月完成了這座橋。