| 释义 |
鳍qí鱼类的运动器官,由刺状的硬骨或软骨支撑薄膜构成。按它所在的部位,可分为胸鳍、腹鳍、背鳍、臀鳍和尾鳍。{fin; flattened appendage consisting of spinous bones or cartilages that form the framework for a membrane cover, attached to various parts of a fish, including pectoral fin, pelvic fin, dorsal fin, anal fin and tail fin} |