setiger juvenile

例句：

1. 1. The setigers are a common sight in the ocean.
   幼鲨是海洋中常见的生物。
2. 2. The juvenile sharks were caught in the nets.
   未成年鲨鱼被网捕获。
3. 3. The sharks are known for their powerful jaws and sharp teeth.
   鲨鱼以其强大的颚和锋利的牙齿而闻名。