dicarpellary

例句：

1. 1. The scientist studied the structure of the fruit's pericarp to understand its nutritional value.
   科学家研究了果实的果皮结构，以了解其营养价值。
2. 2. The plant's pericarp is a natural defense against herbivores.
   植物的果皮是一种天然的对食草动物的防御。
3. 3.The pericarp of the apple provides a protective layer that protects the fruit from damage during transportation.
   苹果的果皮提供了一层保护层，在运输过程中保护果实免受损害。