飞机引擎

The plane was critically disabled when one of the engines caught fire.

有一台引起火,使严重受损。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始的引轮喷射式，目前已淘汰；然轮螺旋桨式引，现在仍可在小看到。