jawless fishes

英 美
  • 无颌鱼类
  • fishes n.鱼名词fish的复数形式.Fishes.n.双鱼宫
  • jawless n.颚;颌;下巴;钳口;说教v.喋喋不休;教训
名词 jawless fish:
  1. eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms