setiger

例句：

1. 1. The setigers are known for their playful nature.
   海狮以其活泼的性格而闻名。
2. 2. The setigers are often seen swimming in the ocean.
   海狮经常在海洋中游泳。
3. 3.Setigers are an important species in the marine ecosystem.
   海狮是海洋生态系统中一个重要的物种。