steam fire-extinguishing

例句：

1. 1. The steam from the kettle has reached my face.
   水壶里的蒸汽已经到达我的脸上了。
2. 2. Steam is a common phenomenon in boiling water.
   蒸汽是沸腾水的一个常见现象。
3. 3. The steamed buns were delicious.
   蒸馒头很好吃。