答：
“坐公交车”用英语这样说：
by bus或者take a bus。
【短语】
1，多坐公交车 Multi-bus ; More sitting on the bus ; By bus。
2，坐公交车观光 go sightseeing by bus。
3，回来坐公交车 Sit back the bus ; Bus back ; Come back by bus。
4，坐公交车上班 Go to work by bus ; Sitting on the bus ; Bus to work。
5，坐公交车时间 Bus time ; Sitting on the bus time ; By bus。
6，如何坐公交车 How about by bus。
7，坐公交车上学 go to school by bus ; Take the Bus to School。
8，坐公交车去那 go there by bus。
【例句】
1，你知道在哪里我可以坐公交车到郊外去吗？
Do you know where I can take a bus to the suburbs.
2，她知道在哪里我可以坐公交车到郊外去吗？
Does she know where I can take a bus to the suburbs.
3，他知道在哪里我可以坐公交车到郊外去吗？
Does he know where I can take a bus to the suburbs.
4，我如何坐公交车或地铁到你的旅馆？
How can I take a bus or subway to your hotel？
5，他们骑车、坐公交车或步行去上班或上学。
They went to work or school by bike, bus or on foot.