He makes his house, or lodge, by piling a great mass of sticks and roots in a big cone on a solid foundation at the bottom of the pond and weighting them down with mud.

• 它在池塘底部一个地基坚固的大锥状穴中堆积大量的树枝和草根，用泥巴压实，建造起自己的家，或者说是巢穴。