释义 |
buhrstone 也作 burr·stone AHD[bûrʹstōn'] D.J.[ˈbɜːˌstəʊn]K.K.[ˈbɝˌston]n.(名词)- A tough, silicified limestone formerly used to make millstones. It is typified by the presence of multiple cavities that originally housed fossilized shells.磨石,砂质多孔石灰岩:一种坚硬的,硅化石灰石,以前用来制作磨石。具有最初由化石化的贝壳而形成的多孔特征
- Variant of burr 1 burr1的变体
- stone stone
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