形容词
中文翻译：周期性的
同义词：
['regular', 'periodic', 'cyclical']
例句：
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1.The temperature changes regularly throughout the day.
温度在一天中有规律地变化。
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2. The moon has a regular cycle of phases.
月亮有固定的相位循环。
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3. The weather is cyclical, with hot and cold periods alternating.
天气是周期性的，冷热交替出现。