seabeaver

例句：

1. 1. Seabeavers are known for their abilityto swim long distances in the ocean.
   海狸因其在海洋中游泳长距离的能力而闻名。
2. 2. Seabeaversplay an important role in maintaining the healthof the ecosystem.
   海狸在维护生态系统健康方面起着重要作用。
3. 3. The seabeaver is a fascinating animal that has beenstudied for centuries.
   海狸是一种令人着迷的动物，数百年来一直受到研究。