Maybe it was a vole, or a big tail-less rat.

也许这是一个田鼠，或一个大尾鼠少。

youdao

It has two big and round eyes, a small mouth, and a big tail.

它有两只又年夜又圆的眼睛，一张小嘴和一条年夜尾巴。

youdao

I have got a long body, a narrow little head, lots of furs and a big, bushy tail.

我的身体很长，小脑袋狭窄，皮毛很多，尾巴又大又浓密。

youdao

"A big tail display, " the biologist explained succinctly.

WSJ: Of Feathers, Showgirls and Biology

Dr. BORIS WORM (Assistant Professor, Marine Conservation Biology, Biology Department, Dalhousie University, Halifax, Canada): They have a huge head, a big mouth with which they can engulf their prey and then the rest of their body is a long tapering tail.

NPR: Down Deep, An Unexpected Fish Boom