Filibranchia

例句：

1. 1. The fin whale is a large species of whale that feeds on krill and other smallfish.
   蓝鲸是一种大型鲸鱼，以浮游生物和小型鱼类为食。
2. 2. The filibranchia, or "whale's tail," is a distinctive feature of the fin whale.
   鳍状肢，或“鲸鱼的尾巴”，是蓝鲸的一个显著特征。
3. 3. In the early days of the industry, there were concerns about the impact of filibranchia on marine ecosystems.
   在这个行业初期，人们担心鳍状肢对海洋生态系统的影响。