stop-watch

n watch with a hand that can be stopped and started by pressing buttons, used to time races, etc very accurately 秒表, 跑表（速度比赛等用的）.

stonewaller, stonewalling, stoneware, stonework, stonily, stony, stood, stooge, stool, stool-pigeon, stoop, stop, stop by, stop off, stop press, stop short, stop to do sth., stop-go, stop-light, stop-press, stop...from, stopcock, stopgap, stopover, stoppage, stopper, stopping, stopping train, stopwatch, storage, storage heater, store, store up, store-room, storehouse, storekeeper, storeroom, storey, storey (US story), stork,