n.发动机,引擎,工具,火车头,机车
vt.给…安装发动机
In 1941, the train would have been pulled by a steam engine.
1941年,火车本可以由蒸汽机车拉动。
Two of them got out to fiddle around with the engine.
其中两人下车鼓捣引擎。
Water in the engine compartment is sucked away by a hose.
发动机舱里的水由一条软管抽走。