名词
中文翻译：日子
同义词：
['day', 'period', 'time', 'era', 'age']
例句：
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1. The old man has lived in this town for many years.
这位老人在这个城镇生活了很多年。
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2. Time flies when you are having fun.
当你玩得开心时，时间飞逝。
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3. The old days have passed, and the new era is coming.
旧时光已经过去，新时代正在到来。