plumulaceous是什么意思 plumulaceous在线中文翻译

plumulaceous

plumulaceous 双语例句

1. Likewise, a plumulaceous tuft of barbs evolved before the pennaceous feather with a rachis because the rachis is formed by the fusion of barb ridges.
   同样的，绒羽的羽枝簇比拥有羽轴的正羽更早演化出来，因为羽轴是由羽枝脊接合而成。
2. Feather types include filamentous feather, clusters of plumulaceous feathers and pennaceous feathers.
   羽毛类型包括丝状羽、簇状绒羽和正羽。

plumulaceous [,plu:mjj'leiʃәs]