pipage

例句：

1. 1.Piglets are cute and playful.
   小猪崽很可爱，很活泼。
2. 2.The pigeons were flying around the field in circles.
   鸽子们在田野里飞来飞去，转圈圈。
3. 3.Pigmentation is a common feature of many animals.
   色素沉着是许多动物的常见特征。