The vertebrate organ of hearing,responsible for maintaining equilibrium as well as sensing sound and divided in mammals into the external ear,the middle ear,and the inner ear.

 
  • 耳朵有椎骨的听觉器官,不仅用于察觉声音,还可掌握平衡。在哺乳动物中分为外耳、中耳和内耳。
今日热词
目录 附录 查词历史