calcium metaborate

例句：

1. 1. This calcium metaborate is usedin the production of glass.
   这种钙亚硫酸盐用于生产玻璃。
2. 2. Thecalcium metaborate helpsto strengthen the teeth and preventcavities.
   钙亚硫酸盐有助于强化牙齿并预防龋齿。
3. 3. Inorder to preserve the quality of the product, it is necessary to use calcium metaborate as a preservative.
   为了保持产品的质量，有必要使用钙亚硫酸盐作为防腐剂。