名词
中文翻译：Unknown
同义词：
['timepiece', 'clock', 'chronometer']
例句：
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1. The ancient horologium was a popular tool for measuring time during the Middle Ages.
古代的日晷是中世纪时期测量时间的流行工具。
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2. The clock on the wall reads 9:30 AM, reminding everyone to be on time.
墙上的钟显示上午九点半，提醒每个人准时到达。
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3. The chronometer in the museum is accurate to within a few seconds of the actual time.
博物馆里的计时器非常准确，误差不超过几分钟。