qì chē / chuán dòng zhuāng zhì / de / zuò yòng / shì / jiāng / fā dòng jī / de / dòng lì / chuán dì / gěi / chē lún

汽车传动装置的作用是将发动机的动力传递给车轮。

The function of a car's transmission is to deliver the engine's power to the wheels.