Inside the volcano, a pipe leads down far underground, where it is very hot.

在火山内部，一条通道一直向下通到温度很高的地底。

youdao

Guard: Go down from here, the first floor underground.

保安：从这里下去，地下一层。

youdao

Guard: Go down from here, the first floor underground.

保安：从这里下去，地下一层。

youdao