fluoro

例句：

1. 1.The chemical compound is used in the production of plastics and other materials.
   这种化学化合物用于生产塑料和其他材料。
2. 2. The water was tested for fluoride levels to ensure it met safety standards.
   水被测试了氟化物的水平，以确保它符合安全标准。
3. 3. Fluoride is a mineral that helps protect teeth from decay.
   氟是一种矿物，有助于保护牙齿免受蛀牙的侵害。