to go with someone to all parts, or the main parts, of a place that they have not visited before, so that they can see what it is like or learn about it

Let me know when you're coming to Cambridge and I'll show you around. 你来剑桥时请通知我，我会带你四处参观一下。

A guide showed us around the exhibition. 一位导游带我们参观了展览。