基本解釋adj.關(guān)于絨羽(或胚芽)的;似絨羽(或胚芽)的同根派生 plumulaceous相關(guān)詞英漢例句Feathers can have a pennaceous vane and a plumulaceous base. 單一支羽毛也可以由頂端為正羽、基部為絨羽組合而成。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. 同樣的,絨羽的羽枝簇比擁有羽軸的正羽更早演化出來(lái),因?yàn)橛疠S是由羽枝脊接合而成。In a plumulaceous feather, barb ridges grow straight without any helical movement. 在絨羽上,羽枝脊則直直生長(zhǎng),不做螺旋形移動(dòng)。plumulaceous更多例句