| 释义 |
叶脉 yè mài
基本例句
venationnervurenervenervationveinleaf veincosta繁体葉脈并接，联结分支系统的不同部分结合后形成一个网络，如叶脉，血管，或河流及其支流The connection of separate parts of a branching system to form a network, as of leaf veins, blood vessels, or a river and its branches.
中脉中心的或主要的叶脉The central or principal vein of a leaf. |