punc·tu·al /ˈpʌŋktʃuəl/ adjectiveadj formalON TIMEarriving, happening, or being done at exactly the time that has been arranged 準時的,守時的,如期的 SYN on timeShe’s always very punctual for appointments. 她一向準時赴約。
the punctual payment of invoices 準時結清費用清單
—punctually adverbadv
—punctuality /ˌpʌŋktʃuˈæləti/ noun [uncountableU]