jack99huang
正计时 - count, counting I will give you 5 seconds to leave, counting, 1,2,3,4,5. Time is up. 倒计时 - count down, counting down I will give you 5 seconds to leave, counting down, 5, 4,3,2,1. Time is up!
yuanning2008
timer 英[ˈtaɪmə(r)] 美[ˈtaɪmɚ] n. 定时器; 计时器; 点火调节装置; 跑表，时计; [例句]He flipped the timer switch.他按了一下定时开关。[其他] 复数：timers
养生达人帅帅
计时器jì shí qìtimerchronographtimepiececlocktimekeeping device (sundial, water clock)
