stopwatch [ˈstɑ:pwɑ:tʃ]

例句:

• Stop the stopwatch when the hovercraft stops hovering.
  来自SA
• A stopwatch is used to obtain the optimum procedure.
  秋表用来控制最佳工作进程.
  
• The method of observation resembles the stopwatch reference to a clock.
  观测方法跟停表时钟法相似.
  
• Harmonic Motion: experimental board, spring weight , loaded board, counterpoise, stopwatch.
  简谐运动: 实验板, 弹簧秤, 载重板, 砝码, 码表.
  
• The stopwatch, though, told a different story.
  来自BBC
• Is a digital timer better than a stopwatch?
  来自SA