clock() 和 time()

clock() 和 time() clock time time库中的time()和clock()有什么区别? 什么ADP TIME CLOCK Our clock keeps good time. the train arrived on time at 5 o'clock 这么说对不对on time 和at 5 o That's the time ( )the clock. 询问时间用time 还是clock? what time?----At four o' clock. it clock it is time for造句 开机显示time-of-day clock stopped o'clock和clock的中文意思