After going down a fairly steep slope, our feet trod the floor of a sort of circular pit. There Captain Nemo stopped, and his hand indicated an object that I hadn't yet noticed.

我们走下相当陡的斜坡，我们的脚踩踏了一种圆形的井底地面。到这里，尼摩船长停住了，他手指一件东西，但我还不能看清楚。