名词
中文翻译：计时器
同义词：
['chronometer', 'timer', 'clock']
例句：
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1. The chronograph is a device that measures time.
时计是一种测量时间的装置。
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2. He used the chronograph to measure the time it took for the train to arrive.
他用时计测量了火车到达所需的时间。
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3. The chronograph was used to record the exact time of the event.
时计被用来记录事件的确切时间。