The engine fired and we moved off.

　　引擎點(diǎn)火后我們就開(kāi)走了。

　　The engine is overheating.

　　發(fā)動(dòng)機(jī)過(guò)熱了。

　　He gunned his engine and drove off.

　　他把引擎發(fā)動(dòng)起來(lái)，開(kāi)車走了。