脊鳍鲸

例句：

1. 1. The whale is the largest animal in the ocean.
   鲸鱼是海洋中最大的动物。
2. 2. Whales are known for their intelligence and ability to communicate with each other.
   鲸鱼以其智力和与彼此沟通的能力而闻名。
3. 3. Scientists study whales to learn more about the ocean ecosystem.
   科学家研究鲸鱼以了解海洋生态系统。