这架飞机有四个引擎。
This airplane has four ___engines.
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.
公共汽车的引擎声音很大。
The bus ___engine is very loud.
火车引擎在车站停了下来。
The train ___engine stopped at the station.