公交车英语单词怎么写？

bus 例句: 1.我的妈妈是一名公交车司机。 My mother is a bus driver. 2.绝大多数人都是搭乘摇摇晃晃的公交车或是步行。 But most take rickety public transport or walk. 3.这是去图书馆的公交车吗？ Is this the bus to the library? 4.你正在等一辆公交车。 You are waiting...