stopwatches
n.
（赛跑等记时用的）秒表，跑表( stopwatch的名词复数 );
例句:
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Stopwatches made in Shanghai are of high quality.
上海生产的秒表质量高.
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Are the score cards , stopwatches point penalty cards ready?
记分表、秒表、罚分表都准备好了 吗 ?到哪儿去邻?
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They consulted their stopwatches and paced off distances.
他们查看秒表,步测距离.