sì / fú / huà / guī / shì / yì / zhǒng / wú / sè / qì / tǐ / yù / shuǐ / huì / fā / shēng / fǎn / yìng四氟化硅是一种无色气体,遇水会发生反应。Silicon tetrafluoride is a colorless gas that reacts with water.