steam-gas

例句：

1. 1.The steam from the kettle has warmed the room.
   水壶里的蒸汽使房间变暖了。
2. 2. The scientist used a special device to collect the steam-gas.
   科学家使用一种特殊的设备来收集蒸汽气体。
3. 3.The steam-gas was released into the atmosphere for scientific research.
   蒸汽气体被释放到大气中进行科学研究。