詞語:buhrstone
buhrstone的解釋
buhrstone['bə:stəun]n. 沙質多孔石灰岩;砂質岩;矽石
buhrstone的意思
buhrstone 磨石;硅質磨石;石灰岩;細砂質磨石;buhrstone mill 磨盤式磨粉機;abrasive stone buhrstone edgestone grinding stone grind stone holystone millstone quernstone rubbing brick sharpening stone 磨[刀]石;