n.公共汽车
Young men climbed on buses and fences to get a better view.
为了看得更清楚些,年轻人爬上了公共汽车和围墙。
I don't drive and the buses are quite hopeless.
我不开车,公共汽车条件又太糟糕。
Old buses are major contributors to pollution in British cities.
破旧的公交车是造成英国城市污染的主要因素。