名词
中文翻译：计时器
同义词：
['chronometer', 'clock', 'timepiece']
例句：
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1.The chronistor on the wall shows the current time.
墙上的钟表显示当前时间。
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2.He was so busy that he forgot to set the chronistor.
他太忙了，忘了设置钟表。
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3.The chronistor is an essential tool for keeping track of time.
钟表是记录时间的必备工具。