race engine

例句：

1. 1. The race engine is the heart of a modern car.
   赛车引擎是现代汽车的核心。
2. 2. The new race engine has been designed to improve fuel efficiency.
   新的赛车引擎被设计来提高燃油效率。
3. 3.The team worked tirelessly to develop a race engine that could compete with the best in the world.
   团队努力工作，开发出可以与世界顶级引擎竞争的赛车引擎。