engine

公共汽车的引擎声音很大。

The bus ___engine is very loud.

这辆摩托车有一个小引擎。

This motorbike has a small ___engine.

我们的汽车引擎坏了，所以我们需要叫一辆出租车。

Our car ___engine is broken, so we need to call a taxi.