In both types of feather, the barbules that extend from the barb ramus grow from a single layer of cells, called the barbule plate, on the periphery of the barb ridge.
而不论是何种
，
枝主枝延伸出来的小枝，都枝脊表面叫做「小枝板」的单层细胞长出来。
小支In both types of feather, the barbules that extend from the barb ramus grow from a single layer of cells, called the barbule plate, on the periphery of the barb ridge.
而不论是何种，枝主枝延伸出来的小枝，都枝脊表面叫做「小枝板」的单层细胞长出来。
声明：以上例句、词性分类
联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
