polypedatid

例句：

1. 1. This species of polypod is native to the Pacific Northwest.
   这种多足动物原产于太平洋西北部。
2. 2.The polypods are known for their unique spiky leaves.
   多足动物以其独特的带刺的叶子而闻名。
3. 3.Polypods play a crucial role in soil fertility and nutrient cycling.
   多足动物在土壤肥力和养分循环中起着关键作用。