He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩,这是他第一次过这种野营生活。
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去,来到一个巨大的洞里,其大小相当于一个音乐厅。