“石”的拼音为：dàn...

他急匆匆前往硬石小馆去吃午餐。He dashed off to lunch at the Hard Rock Cafe.碎砖石可以用来铺路基和庭院地基。Brick rubble is useful as the base for paths and patios.他是个不惜利用他人成就作踏脚石的人。He was a man who traded on the achievements of others....

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