barbules

英 ['bɑːbjʊlz] 美 ['bɑːbjʊlz]

• 羽小枝

barbules的用法和样例：

例句

1. According to this scenario, scales became feathers by first elongating, then growing fringed edges, and finally producing hooked and grooved barbules.
   根据传统理论，鳞片变成羽毛的第一步是先拉长，接著长出流苏般的边缘，最后产生有小钩与沟槽的羽小枝。