bicarpellatae

例句：

1. 1. The bicarpellatae structure of the plant is essential for its survival.
   植物的双胚层结构对其生存至关重要。
2. 2. The bicarpellatae cells are responsible for the production of the plant's chloroplasts.
   双胚层细胞负责生产植物的叶绿体。
3. 3. The bicarpellatae layer is where the plant's roots and shoots meet.
   双胚层层是植物根和茎相遇的地方。