名词
中文翻译：流动
同义词：
['flow', 'current', 'stream', 'efflux例句：1. The river flows through the valley.（这条河流经山谷。）']
例句：
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1. The river flows through the valley.
这条河流经山谷。
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2.The current is carrying us towards the shore.
水流正把我们推向岸边。
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3. The efflux of wastewater from the factory has been a concern for years.
工厂排放的废水流量多年来一直是人们关注的焦点。