柯林斯詞典stopwatch /?st?p?w?t?/ (also stop-watch) (stopwatches) 1. N-COUNT A stopwatch is a watch with buttons which you press at the beginning and end of an event, so that you can measure exactly how long it takes. 秒表 返回 stopwatch劍橋詞典a watch that can be started and stopped in order to measure the exact time of an event , especially a sports event （尤指用于體育賽事的）秒表，跑表 返回 stopwatch