tridentate pedicellaria

例句：

1. 1. The caterpillar's three-pronged mouthparts are used to feed on leaves.
   这种毛毛虫有三叉戟状的口器，用来吃叶子。
2. 2. The plant has a unique triangular pedicella that helps it spread its seeds.
   这种植物有独特的三叉戟状的足丝，帮助它传播种子。
3. 3. The scientist discovered the triangular pedicella of the butterfly and studied its function in flight.
   科学家发现了蝴蝶的三叉戟状足丝，并研究了它在飞行中的功能。