caudal cerebellar peduncle

例句：

1. 1.The animal has a caudal fin to help it swim.
   这个动物有尾鳍来帮助它游泳。
2. 2. The researchers found that the caudal fin had a significant impact on the fish's swimming ability.
   研究人员发现尾鳍对鱼的游泳能力有显著影响。
3. 3. The caudal fin is used for propulsion and balance in many species of fish.
   在许多鱼类中，尾鳍用于推进和平衡。