形容词
中文翻译：周期性的
同义词：
['cyclical', 'cyclic', 'recurrent']
例句：
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1.The weather is cyclical, with four seasons in a year.
天气是周期性的，一年有四季。
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2. The cycle of life is cyclical, with birth and death.
生命的循环是周期性的，有生有死。
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3.The economic cycle is cyclical, with booms and recessions.
经济周期是周期性的，有繁荣和衰退。