feather pulp

例句：

1. 1. The bird's feathers are soft and fluffy, making it a popular material for crafting toys.
   这只鸟的羽毛柔软蓬松，是制作玩具的热门材料。
2. 2. The feather pulp is used in the production of paper products, such as notebooks and books.
   羽毛浆被用于生产纸制品，如笔记本和书籍。
3. 3. The feather pulp is also used in the production of plastic bags and other packaging materials.
   羽毛浆也被用于生产塑料袋和其他包装材料。