percurrent
基本解释
- adj.[植](葉脈等)到頂的
英汉例句
- Secondary veins are semicraspedodromous and form marginal loops, tertiary veins are percurrent, quaternary veins form orthogonal or polygonal areoles filled up by branched and freely ended veinlets.
二級脈在葉緣內分支,相互連接形成脈環,三級脈及頂型,脈間區內充滿分支的自由結束的小細脈。 - major veins impressed, rarely flat adaxially, lateral veins 7-10 pairs, tertiary venation weakly percurrent.
主脈凹陷,正麪很少平,側脈7-10對,支脈弱頂。 - percurrent proliferation
及頂增殖