名词
中文翻译：Unknown
同义词：
['pebble', 'cobblestone', 'pebble-like', 'pebble-shaped例句：1. The beach was littered with small petasos and shells.（海滩上到处都是小卵石和贝壳。）']
例句：
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1. The beach was littered with small petasos and shells.
海滩上到处都是小卵石和贝壳。
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2. The old house had a few petasos on the roof.
旧房子的屋顶有几块小卵石。
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3. The path was covered in small petasos that crunched underfoot.
小卵石覆盖在小路上，踩上去会发出嘎吱声。