engine 
英 [ˈɛndʒɪn]  美 [ˈɛndʒən] 
n. 发动机；引擎；火车头

例句：
He got into the driving seat and started the engine. 

他坐进驾驶座，发动引擎。

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。

an engine cab 

机车驾驶室

a steam engine 

蒸汽机