witherite 的定义
- a white to grayish mineral, barium carbonate, BaCO3, occurring in crystals and masses: a minor ore of barium.
更多witherite例句
- Witherite, the barium carbonate, is a much rarer mineral but is found with barite in some veins.
🎓大学词汇枯草人枯草凋零凋零者