“旅行队”用英语怎么说？

两个士兵骑马赶到旅行队的前头.The two soldiers rode up to the head of the caravan.所有英国的沙漠旅行队都首尾相连.All the touring caravans in Britain were put end to end.旅行队在沙漠中的绿洲停下来过夜.The caravan stopped for the night at an oasis....