steam black

例句：

1. 1. The steam from the kettle has warmed the room.
   水壶的蒸汽使房间变暖。
2. 2. The steam engine is used to power factories.
   蒸汽机用来为工厂提供动力。
3. 3. The steamboat was a popular mode of transportation in the 19th century.
   蒸汽船是19世纪流行的交通工具。