| 释义 |
pap·pus 英ˈpæpəs美ˈpæpəsAHDpăpʹəs BNC¹⁴⁴⁶⁶⁴⁺³
基本英英例句
n.冠毛¹⁰⁰复数pappi形容词pappose名词复数pappi
Noun:
calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions After dispersal, the short pappus of the achenes can adhere to the wet soil surface so that the achenes remain near the dead mother plant and germinate there.
传播之后，瘦果的小冠毛能够附着在湿润的土壤表面，因此瘦果可以保留在死亡的母株附近并且在那里萌发。 planta
Some examples are given by inscribed and circumscribed circles of polygons, lines intersecting and tangent to conic sections, the Pappus and Menelaus configurations of points and lines.
一些例子所给予者和限制各界的多边形，线相交和相切的圆锥部分，帕普斯和墨涅拉俄斯配置的点和线。 blog.sina.com.cn |