名词
中文翻译：沙砾
同义词：
['sand', 'gravel', 'grit']
例句：
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1.The sand dunes are a popular destination for tourists.
沙丘是游客的热门目的地。
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2.The sand was so fine that it could be used to make sandcastles.
沙子非常细，可以用来做沙堡。
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3.The beach is littered with small pebbles and small stones, which are often called "sallee."
海滩上散布着小石子和鹅卵石，通常被称为“沙砾”。