punctual /ˈpʌŋkjuəl, ˈpʌŋtʃuəl/ adj.准时的,正点的:be punctual for class (appointment) 准时去上课(约会);be punctual in the payment of one’s rent 按期付租金; punctual to the minute 一分不差,一分不误
punctuality /ˌpʌŋktjuˈæliti]/ n. [u] 严守时间:He gave the child a lecture on the importance of punctuality.他教训孩子们严守时间的重要性。He’s been taken to task for his habitual lack of punctuality.他因为经常不准时而受到批评。Punctuality is essential in the business world.在商界严守时间至关重要。