备用发动机用英语怎么写

Spare engine

发动机───engine;备用───spare

The car's got some sort of engine trouble again.───车子的引擎又出了什么故障.

This fine engine makes only a whisper when running at full speed.───这部优良的发动机全速开动时也只发出一点点沙沙声.

Flames spewed from the aircraft's engine.───飞机发动机喷出火焰。

He's a natural with any kind of engine but he has an unfortunate yen for speed.───他天生对各种发动机就非常在行，但却过分追求速度。

Restarting the engine, we motored downriver.───我们重新启动马达，沿河而下。

Who invented the steam engine?───谁发明了蒸汽机？

A steam engine transforms heat into power.───蒸汽机将热能转变成动力.

The engine was running smoothly.───发动机在平稳运转。

A design flaw caused the engine to explode.

The engine pulled a long line of freight cars.

I think the engine is overheating.

My car only has a puny little engine.

This new jet engine is superbly engineered.