云中子的小白
每时每刻:at all times,all the time,twenty-four seven;Every/Each Time无时无刻: incessantly,all the time,every hour and moment,at any moment,at all times,every minute,without a moment's pause
左家庄与特8
时:hr. 复数的是:hrs 例子:1 hr, (一小时) 2 hrs (两小时)分:min. 复数是:mins例子 1 min(一分钟) 2 mins(两分钟)秒:sec. 复数的是:Secs例子:1 sec (一秒) 2 secs(两秒)