They polished the car.是什么意思？

They polished the car.

他们擦亮了汽车。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

polished

adj. 磨光的，擦亮的，完美的，精良的，优雅的；v. 使光滑，擦亮(polish的过去式和过去分词)；

例句
The food is served on polished tables with mats.
饭菜摆放在擦得铮亮、铺着衬垫的餐桌上。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

car

n. 汽车，车厢，轿车；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。