名词
中文翻译：磨损的砾石
同义词：
['eroded gravel', 'worn gravel例句：1. The trail was covered in water-worn gravel and twigs.（小径上覆盖着磨损的砾石和枯枝。）']
例句：
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1. The trail was covered in water-worn gravel and twigs.
小径上覆盖着磨损的砾石和枯枝。
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2.The riverbed is lined with smooth, water-worn gravel.
河床被光滑、磨损的砾石所覆盖。
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3.The old roadway was paved with water-worn gravel.
旧路被磨损的砾石铺成。