窒息瓦斯

例句：

1. 1.The factory was filled with asphyxiating gas, making it unsafe for workers to work there.
   工厂充满了窒息的气体，使得工人在那里工作不安全。
2. 2.The firefighters had to use protective gear to avoid inhaling the asphyxiating gas.
   消防员不得不使用防护装备以避免吸入窒息的气体。
3. 3. The mine had been sealed off due to a sudden influx of asphyxiating gas, causing a panic among the miners.
   由于突然涌入的窒息气体，矿井被封闭了，矿工们陷入了恐慌。