It has a head,but no neck.It has a body,but no warmth(体温).It has no feet,but can trave(旅行).用中文回答,这是什么东西

问题描述:

It has a head,but no neck.It has a body,but no warmth(体温).It has no feet,but can trave(旅行).
用中文回答,这是什么东西