combustion engine

例句：

1. 1.The new car has a powerful internal combustion engine.
   这款新车拥有一个强大的内燃机。
2. 2. The old bus had a small but efficient spark ignition engine.
   旧公交车有一个小但高效的火花点火引擎。
3. 3.The diesel truck has a heavy-duty combustion engine that can handle rough terrain.
   柴油卡车有一个重型的燃烧引擎，可以应对崎岖的地形。