barium fluoride

例句：

1. 1. The new drug is made from barium fluoride and has been shown to be effective in treating certain types of cancer.
   这种新药是由钡氟化物制成的，已被证明对治疗某些类型的癌症有效。
2. 2. The barium fluoride crystals were used as a tool for measuring the density of water.
   钡氟化物的晶体被用作测量水密度的工具。
3. 3. In the laboratory, barium fluoride is commonly used to create glowing effects during experiments.
   在实验室中，钡氟化物常被用来在实验过程中产生发光效果。