名词
中文翻译：沙子
同义词：
['sand', 'gravel', 'soil']
例句：
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1. The beach is covered in soft sand.
海滩上铺满了柔软的沙子。
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2. The construction crew had to dig out the gravel for the road.
施工队不得不挖出道路所需的砾石。
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3. The soil was rich and fertile, perfect for growing crops.
土壤肥沃，非常适合种植作物。