亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

rottenstone

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

rottenstone漢語翻譯

n. 擦光石

rottenstone英語解釋

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

0
糾錯