n.发动机；引擎；机车；火车头
vt.给 ... 装引擎
What's the cubic capacity of this engine? 这台发动机的立体容积是多少？
Industrialization is the most important engine of economic growth. 工业化是经济增长最重要的拉动因素。
There was a puff of steam from the engine before it stopped. 机车喷出一股蒸气后就停了下来。
Smoke rises from the engine as the train climbs a hill. 火车向山上爬着,浓浓的烟雾从火车头升起。
n.工程学；工程
n.生物工程(学)；遗传工程
