biramous type appendage

例句：

1. 1. The new model has a biramous type appendage that is more efficient than the previous one.
   这款新模型有一个比之前更高效的双叶型附肢。
2. 2.The biramous type appendage of this plant is used for pollination.
   这种植物的双叶型附肢用于传粉。
3. 3.The biramous structure of the tree trunk helps it to support its weight and resist damage from external forces.
   树根的双叶结构有助于支撑树木的重量并抵抗外部力量造成的损害。