Definition
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period
A period is a length of time during which a particular event or situation occurs.
一个时期是一个特定事件或情况发生的时间段。
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The Renaissance was a remarkable period in European history.
文艺复兴是欧洲历史上一个显著的时期。
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She studied for a period of three hours before the exam.
她在考试前学习了三个小时的时间。
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The company experienced a difficult period during the economic recession.
在经济衰退期间,公司经历了一个艰难的时期。