papillar

例句：

1. 1. The bees are busy collecting nectar from the papillars of flowers.
   蜜蜂正在忙着从花的幼虫身上收集花蜜。
2. 2. During the winter, the larvae of the butterfly pupa overwinter in the ground.
   蝴蝶的幼虫在冬天会在地下越冬。
3. 3. The caterpillars are a common sight in the forest during spring.
   春天时，毛毛虫是森林里常见的景象。