羽轴 meaning in English
feather shaft
pinna rachis
scape
scapus
shaft
Examples
- 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。 - Leaves crowded near apex of the trunk , spirally arranged ; stipes dark brown , with sharp spines ; lamina large , oblong , tripinnate ; pinnae 17 - 20 pairs , alternate , longest one to 60 cm long , the basal one reduced ; rachis short - spiny ; pinnules 18 - 20 pairs , sessile or nearly so , lanceolate , to 10 cm long and 2 . 5 cm wide , divided almost to the costa ; segments more or less falcate , toothed
叶螺旋状排列，聚生于茎端；叶柄棕色，具锐刺；叶片大，长矩圆形，三回羽状深裂；羽片17 - 20对，互生，最大的长达60厘米，基部一对缩短，羽轴有短刺；小羽片18 - 20对，无柄或近于无柄，披针形，长达10厘米，宽2 . 5厘米，深裂几达中脉；末回裂片多少镰状，有齿。