名词中文翻译1
中文翻译：Unknown
同义词：
['period', 'interval', 'span', 'course', 'period of time']
例句：
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1. The project has a duration of three years.
这个项目的持续时间是三年。
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2.The journey took us through various periods of rain and sunshine.
这次旅行经历了各种雨和阳光的时期。
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3.The study lasted for two weeks, during which we made significant progress.
这项研究持续了两周，在这期间我们取得了显著的进步。