timer [ˈtaɪmɚ]

例句:

• He flipped the timer switch.
  他按了一下定时开关。
  来自柯林斯例句
• Gabrielle entered this year's charts faster than any first-timer before her.
  加布丽埃勒上榜的速度比之前所有初次上榜歌手都要快。
  
• I took the shot with a tripod and remote timer.
  来自VOA
• Set the kitchen timer going.
  让厨房计时器开始计时。
  
• So how would he fare as a belated first-timer?
  来自THETIMES
• When the timer dinged, he would start typing.
  来自NEWYORKER