nervation
美 [nɜr'veɪʃən]
英 [nɜ:'veɪʃən] 
英汉解释
例句
While it was abundantly expressed in the nervation of the leaves, stem near the inflorescence and base of the root.
然而在幼苗的根基部、靠近花序部位的茎中和叶子的经脉中有大量表达;
Nervation, exquisite zigzag edges, let I to nature in awe.
清晰的叶脉、精致的锯齿边缘,让我对自然充满敬畏。