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單詞乎

rottenstone

音標(biāo)['r?tnst?un]
rottenstone是什么意思、rottenstone怎么讀

rottenstone漢語(yǔ)翻譯

n. 擦光石

rottenstone英語(yǔ)解釋

名詞 rottenstone:

  1. a weathered and decomposed siliceous limestone; in powdered form it is used in polishing
    同義詞：tripoli

rottenstone詳細(xì)解釋

rot.ten.stone

n.（名詞）
A soft, decomposed limestone, used in powder form as a polishing material.
擦光石：一種粉末可作磨光材料的柔軟的風(fēng)化石灰石

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