名词
中文翻译：沙子
同义词：
['soil', 'gravel', 'grit']
例句：
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1. The beach is covered with fine sand.
海滩上铺满了细沙。
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2. The construction crew had to dig out the sand from the foundation.
建筑工人不得不从地基中挖出沙子。
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3. The sand dunes are a popular destination for sandboarding.
沙丘是玩沙板运动的一个热门地点。