1、公共汽车英语：bus，英 [bʌs] 美 [bʌs]。

2、在公共汽车上，我被两个胖子挤在中间。I was sandwiched between two fat men on the bus.

3、公共汽车上的人挥手致意，我们也向他们挥手。The people on the bus waved and we waved back.

4、公共汽车开走时他向我们挥了挥手。He gave us a wave as the bus drove off.