贝

例句：

1. 1. The shell of the sea creature is a fascinating feature.
   海生生物的壳是一个迷人的特征。
2. 2. She likes to collect shells from the beach.
   她喜欢在海滩上收集贝壳。
3. 3. The oyster is a popular ingredient in many seafood dishes.
   牡蛎是许多海鲜菜肴中受欢迎的成分。