shell fruit

例句：

1. 1.This shell fruit is a popular snack in many Asian countries.
   这种壳果是许多亚洲国家流行的零食。
2. 2. The oyster has a unique taste and texture that makes it a favorite food for many people.
   牡蛎有独特的味道和质地，这使得许多人非常喜欢它。
3. 3. Snails are often used as a delicacy in some cultures due to their hard shells.
   在一些文化中，蜗牛因其坚硬的外壳而常被用作美食。