名词
中文翻译：半周期
同义词：
['semi-cycle', 'semi-periodic', 'half-cycle例句：1. The physics teacher explained the concept of a semicycle in class.（物理老师在课上解释了半周期的概念。）']
例句：
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1. The physics teacher explained the concept of a semicycle in class.
物理老师在课上解释了半周期的概念。
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2.The scientist conducted experiments to study the behavior of semicycles.
科学家进行了实验来研究半周期的行为。
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3. During the race, the runners completed several semicycles before reaching the finish line.
在比赛中，运动员们在到达终点线之前完成了几个半周期。