steam-powered motor-car

例句：

1. 1.The steam-powered engine is used to power factories.
   蒸汽动力引擎用于工厂的动力。
2. 2. The steam-powered train travels at high speeds across the country.
   蒸汽动力火车在全国各地高速行驶。
3. 3.The steam-powered car was invented over a hundred years ago.
   蒸汽动力汽车是在一百多年前发明的。