名词中文翻译
中文翻译：循环
同义词：
['circulate', 'circulation', 'flow', 'movement']
例句：
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1.The blood circulation is essential for the body's health.
血液循环对于身体健康至关重要。
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2. Theriver's water circulation is crucial forthe ecosystem.
河流的水循环对生态系统至关重要。
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3.The air circulation helps to cool down theroom during summer.
空气流通有助于夏天房间降温。