buses是可数名词还是不可数名词

是可数名词，例如：

1、People are scared to use the buses late at night.人们害怕在深夜乘坐公共汽车。

2、The town is well served with buses and major road links.这座城市乘坐公共汽车很方便，与干线公路的联接也很发达。

3、Buses run frequently between the city and the airport.公共汽车频繁地来往于市区与机场之间。