氟化作用 fúhuàzuòyòng fluorination Definitions Defs Origin Strokes Stroke Words Sentences Sents 氟化作用 fúhuàzuòyòng fluorination the process of adding fluorine to a substance, especially to water or toothpaste
氟化作用 fúhuàzuòyòng fluorination the process of adding fluorine to a substance, especially to water or toothpaste
