still steam

例句：

1. 1.The engine is still producing steam.
   发动机仍在产生蒸汽。
2. 2.The hot water has turned into steam.
   热水已经变成了蒸汽。
3. 3. The steam from the kettle rises up and fills the room.
   水壶里的蒸汽升腾起来，充满了房间。