四氟化硅 sì fú huà guī 🔊 silicon tetrafluoride SiF4 + Keep this word Meanings sì fú huà guī silicon tetrafluoride SiF4 Its characters 四sìfourHSK 1氟fúfluorine (chemistry)化huàto make intoHSK 5硅guīsilicon (chemistry)