硅酸氟铝 guīsuānfúlǚ aluminum fluorosilicate Origin Definitions Defs Strokes Stroke Words Sentences Sents 硅酸 guīsuān silicic acid silicic acid; silicate氟 fú noun fluorine (bound form) fluorine; the chemical element with atomic number 9, which is a highly reactive and toxic gas铝 鋁 lǚ noun aluminum aluminum; chemical element with symbol Al and atomic number 13