名词
中文翻译：小石子
同义词：
['cobblestone', 'pebble']
例句：
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1.The riverbed is covered in a layer of smooth, white cobblestones.
河床覆盖着一层光滑的白石子。
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2.The old house was built on top of a hill, with large cobblestones for steps.
这座老房子建在山顶上，台阶是用大石子铺成的。
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3. The cobblestone path led to the center of the town square.
这条鹅卵石小道通向镇中心的广场。