What has four legs and a back but cannot walk or move on its own?_英语解答

What has four legs and a back but cannot walk or move on its own?
是个脑筋急转弯,
最好能翻译一下

人气：488 ℃　时间：2019-10-09 05:00:43

解答

desk
问题翻译成中文就是:
什么东西有四条腿和一个背,但却不能用它的腿行走或者移动.
除了dest之外还有更好的回答吗?