The fleshy, movable, muscular organ, attached in most vertebrates to the floor of the mouth, that is the principal organ of taste, an aid in chewing and swallowing, and, in human beings, an important organ of speech.

• 舌，舌头绝大多数脊椎动物具有的连接于嘴巴下端的多肉、能动、强壮的器官。它是主要的味觉器官，咀嘴和吞食的辅助器官，对于人类，它还是重要的语言器官