名词
中文翻译：河流砾石
同义词：
['river sand', 'river pebbles例句：1. The river flows through the town', "carrying gravel and silt downstream.（这条河穿过城镇，携带着砾石和泥沙流向下游。）2. The river's gravel bottom provides a unique habitat for many species of fish.（河床的砾石底部为许多鱼类提供了独特的栖息地。）3. The river's gravel banks are prone to erosion during high water levels.（河流的砾石河岸在高水位时容易发生侵蚀。）"]
例句：
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1. The river flows through the town, carrying gravel and silt downstream.
这条河穿过城镇，携带着砾石和泥沙流向下游。
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2. The river's gravel bottom provides a unique habitat for many species of fish.
河床的砾石底部为许多鱼类提供了独特的栖息地。
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3. The river's gravel banks are prone to erosion during high water levels.
河流的砾石河岸在高水位时容易发生侵蚀。