fluoride

US [ˈflʊˌraɪd]
UK [ˈflʊəraɪd]
  • n.氟化物
  • Web氟离子;氟素;氟气
Fluoride
n.
1.
氟化物a chemical containing fluorine that protects teeth from decay and is often added to toothpaste and sometimes to drinking water

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard