fluoride
常见例句
- It is a proven fact that fluoride strengthens growing teeth.
氟化物可以強化生長中的牙齒，這是已証明的事實。 - Since then, many studies have confirmed the value of fluoride.
從那以後，許多研究都証實了氟化物的價植。 - The use of fluri fluoride to protect teeth is common in many parts of the world.
用氟化物來保護牙齒在世界許多地方很普遍。 返回 fluoride