stop
watch
复数形式
stopwatches
1
秒表, 计时器
a watch with a button to stop and start time, used in sport events
A stopwatch is a tool used to measure time, usually for short periods. It is often used in sports and other activities to track how long something takes. A stopwatch typically has a start and stop button to begin and end the timing, and it can display time in hours, minutes, seconds, and fractions of a second. It is useful for timing races, exercises, or events that require precise measurements of time.
- The coach used a stopwatch to time each runner during the track practice.
教练在田径训练中使用秒表来计时每位跑步者。
- She started the stopwatch as soon as the race began to measure her performance.
比赛一开始，她就启动了秒表来测量她的表现。
- The scientist used a stopwatch to record the duration of a chemical reaction in the lab.
科学家在实验室里用秒表记录了化学反应的时间。
- He reset the stopwatch after each trial to ensure accurate measurements in the experiment.
他在每次试验后重置秒表以确保实验中的测量准确。
- They used a digital stopwatch for precise timing in the competition.
他们在比赛中使用了数字秒表来进行精确计时。
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