名词
中文翻译：内部流动
同义词：
['internal circulation', 'internal stream例句：1. The river has a significant amount of internal flow.（这条河有大量的内流。）']
例句：
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1. The river has a significant amount of internal flow.
这条河有大量的内流。
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2.The internal flow of the river is crucial for the ecosystem.
河流的内流对生态系统至关重要。
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3. The internal flow of the river is responsible for the water quality in the area.
河流的内流负责该地区的水质量。