甲壳类动物

例句：

1. 1. The octopus is a fascinating creature that lives in the ocean.
   章鱼是一种令人着迷的海洋生物。
2. 2.The crab is a common type of crustacean found on beaches and shores.
   螃蟹是一种常见的甲壳动物，常见于海滩和海岸。
3. 3. The shrimp is a small crustacean that is often eaten raw or cooked.
   虾是一种小型的甲壳动物，通常生吃或煮熟后食用。