沿途用英语可以说作 "along the way"。这个短语来源于拉丁语 "per viam," 意思是 "通过道路" 或 "沿着道路。"

例句：

I met many interesting people along the way.

我沿途遇到了许多有趣的人。

We stopped to take pictures along the way.

我们沿途停下来拍照。

I picked up a few souvenirs along the way.

我沿途捡了几个纪念品。