1·Who invented the steam engine?
谁发明了蒸汽机？
—— 《牛津词典》
2·This was to occur with progress in the development of the steam engine.
这是随着蒸汽机的发展进步而发生的。
3·Since the steam engine was fired by coal, the large mills did not need to be located by rivers, as had mills that used water-driven machines.
由于蒸汽机是靠燃煤来驱动的，因此一些大型棉纺织厂就不再像那些使用水力驱动机器的工厂一样，必须依河而建。
4·In the late 1700s James Watt designed an efficient and commercially viable steam engine that was soon applied to a variety of industrial uses as it became cheaper to use.
18世纪晚期，詹姆斯·瓦特设计了一种高效的、商业上可行的蒸汽机，随着它的使用成本越来越低，它很快被应用于各种工业用途。
5·In some industrial regions, heavily laden wagons, with flanged wheels, were being hauled by horses along metal rails; and the stationary steam engine was puffing in the factory and mine.
在一些工业地区，马匹正沿着金属轨道拉着满载货物、带法兰轮子的马车；固定的蒸汽机在工厂和矿井里噗噗作响。