流逝汉英词典

percurrent

P 开头单词

基本解释

  • adj.[植](葉脈等)到頂的

同根派生

     

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