pappus line帕普斯线
Liolithax pappus帕普斯滑海豚
chamaenerion pappus红筷子冠毛
Pappus proposition巴卜斯命题
pappus s胎毛;冠毛
plumose pappus羽状冠毛
pappus principlepappus定理
Pappus theorem帕普斯定理
pilose pappus丝状冠毛
N（名词） a ring of fine feathery hairs surrounding the fruit in composite plants, such as the thistle; aids dispersal of the fruits by the wind 冠毛