打磨石的英文怎么说
打磨石的英文: n. 磨石 The finest edge is made with the blunt whetstone. ——Gohn Lyly a grindstone; a whetstone; a sharpening stone; a knife grinder; a knife sharpener; a hone A fine - grained whetstone for giving a keen edge to a cutting tool. A very hard,dense,even - textured,silica - bearing sedimentary rock used in whetstones. |