Read Edit View history 四氟化硅 sìfúhuàguī silicon tetrafluoride Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 四氟化硅 · sìfúhuàguī · silicon tetrafluoride 2026/03/04 四氟化硅 sìfúhuàguī silicon tetrafluoride silicon tetrafluoride SiF4 四氟化硅是一种无色、有刺鼻气味的气体。 noun created sense Mar 4, 2026, 02:25 AM