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1. The river has a retrogressive flowslide that causes flooding during high water levels.
河流有一个逆流，在高水位时会导致洪水。
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2. During the flood season, the city experienced a retrogressive flowslide that caused significant damage toinfrastructure.
在洪水季节，该市经历了一种逆流，对基础设施造成了严重的损害。
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3.The scientists discovered a new mechanism that could potentially mitigate the effects of retrogressive flowslides in urban areas.
科学家们发现了一种新的机制，可以潜在地减轻城市地区逆流的影响。