n.發(fā)動機；引擎；機車；火車頭

vt.給 ... 裝引擎

What's the cubic capacity of this engine? 這臺發(fā)動機的立體容積是多少？

Industrialization is the most important engine of economic growth. 工業(yè)化是經(jīng)濟增長最重要的拉動因素。

There was a puff of steam from the engine before it stopped. 機車噴出一股蒸氣后就停了下來。

Smoke rises from the engine as the train climbs a hill. 火車向山上爬著,濃濃的煙霧從火車頭升起。