He was knocked down by a bus.

他被公共汽车撞倒了。

《牛津词典》

She was knocked down by a bus.

她被一辆公共汽车撞倒在地。

《牛津词典》

A bus appeared around the corner.

一辆公共汽车出现在拐角处。

《牛津词典》

I remember my father drove a bus and my mother was a waitress, and so we often didn't get to have Thanksgiving together.

VOA: special.2009.11.23

so I'm going to begin by showing you a very personal look at my hometown, a bus ride.

所以我将首先展示一下,关于我家乡的一个个人视角,一次公车旅程。

麻省理工公开课 - 媒体、教育、市场课程节选

taking a bus into Manhattan and going into the museum. And what I just recall is walking around like this.

乘公交车去曼哈顿，参观博物馆。我只是记得当时就是这样在四处逛逛。

美国的博物馆教育 - SpeakingMax英语口语达人

Mr Myers was stabbed repeatedly while travelling on a bus in the heart of the Jewish community.

BBC: Straw briefed on mosque attacks

So we often boarded a bus to the Beijing Film Archive and watched movies.

CNN: ASIANOW - TIME Asia | Visions of China: Beijing Film Academy

There is a better chance of me getting hit by a bus crossing the street.

CNN: Who's afraid to fly on September 11?