busses

例句：

1. 1. The bus will be leaving at 7:30 in the morning.
   这辆公共汽车将在早上7:30出发。
2. 2.I need to catch the bus to work.
   我需要坐公共汽车去上班。
3. 3. There are buses running every five minutes on this route.
   这条线路每隔五分钟有一趟公共汽车。