flywheel

例句：

1. 1. The car's flywheelis the main source of power for theengine.
   汽车的飞轮是发动机的主要动力来源。
2. 2. The engineer designed a new flywheel to improve the efficiency of the machine.
   工程师设计了一个新的飞轮来提高机器的效率。
3. 3. The flywheel was responsible fortransferring the kinetic energy from theengine to the wheels.
   飞轮负责将发动机的动能传递给车轮。