海牛类

例句：

1. 1. The humpback whale is the largest living species of whale.
   座头鲸是现存最大的鲸鱼。
2. 2. The humpback whale's migration patterns are fascinating to observe.
   座头鲸的迁徙模式令人着迷。
3. 3. The humpback whale's baleen can be used for food and in traditional medicine.
   座头鲸的须可以用于食物和传统医学。