n.钟；表；计时器
A timepiece, especially one used for measuring and signaling the end of time intervals, as on a stove. 定时器一种计时器，尤指控制时间间隔并指示间隔结束的那种计时器，如炉子上的计时器
A small portable timepiece, especially one worn on the wrist or carried in the pocket. 手表，怀表小型便携的计时器，尤指戴在手腕上或放在口袋里的
计时器
