| 释义 |
〔manganite〕A steel-gray to black mineral, MnO(OH), found in North America and Europe; manganese oxide.水锰矿：一种钢灰至黑色的矿物，MnO(OH)，产于北美和欧洲；氧化锰〔umber〕A natural brown earth containing ferric oxide and manganese oxides, used as pigment.棕土：含有红色氧化铁和氧化锰的天然棕色泥土，用作颜料〔sienna〕A special clay containing iron and manganese oxides, used as a pigment for oil and watercolor painting.黄土：一种特殊的粘土，含有铁和氧化锰，用作油画及水彩画的一种颜料〔psilomelane〕A mixture of black manganese oxide minerals.硬锰矿：一种黑色氧化锰矿的混合物 |