treatment of soil steam

例句：

1. 1. The engine produces a lot of steam to power the turbines.
   发动机产生大量蒸汽来驱动涡轮机。
2. 2.The scientist used a special machine to collect and analyze the steam.
   科学家使用一种特殊的机器来收集和分析蒸汽。
3. 3.The steam was so hot that it could melt metal.
   蒸汽非常热，足以熔化金属。