Portuninae

例句：

1. 1. The Portuninae are known for their ability to swim and dive underwater.
   海狸因其游泳和潜水的能力而闻名。
2. 2. The Portuninae are found in many parts of the world, including North America.
   海狸分布在世界许多地方，包括北美。
3. 3. The Portuninae have a unique way of building their homes by digging tunnels in the sand.
   海狸有一种特殊的方式建造家园，通过在沙中挖掘隧道。