corundume

英 [kərʌnd'juːm] 美 [kərʌnd'juːm]

• 氧化铝

corundume的用法和样例：

例句

1. A purple variety of corundum used as a gemstone.
   紫蓝色宝石一种紫色刚玉，用作宝石
2. Synthetic Corundum is one of our strong products.
   合成刚玉是我们的一个强大的产品。
3. A fine - grained impure corundum used for grinding and polishing.
   刚玉粉，金刚砂用于磨粉和打光的一种细磨的不纯的刚玉粉
4. A fine-grained impure corundum used for grinding and polishing.
   刚玉粉，金刚砂用于磨粉和打光的一种细磨的不纯的刚玉粉
5. A transparent deep red variety of corundum,used as a gemstone and in lasers.
   一种透明的深红色刚玉，经雕琢后可用作宝石，亦可用于激光器。
6. Relating to or designating corundum that resembles another stone in color.
   刚玉的关于或表示在颜色上类似另一块石头的刚玉的