| 单词 | 叶脉 |
| 释义 | 〔costa〕A rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.肋骨，叶脉：肋骨或肋骨状部分，例如叶子的中脉或昆虫翼的较厚的前部线或边〔venation〕The veins of such a system considered as a group.翅脉，叶脉：作为整体的该系统的脉〔anastomosis〕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.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〔rocket〕A Mediterranean plant(Eruca vesicaria subsp. sativa) having flowers with purple-veined, yellowish-white petals and leaves that are sometimes used in salads. Also called arugula ,rocket salad ,roquette 芝麻菜，紫花南芥：一种生长于地中海的植物（芝麻菜属 芝麻菜 亚种 绵果芝麻菜） ，它的花有紫色的叶脉和黄白色的花萼，叶子有时用在沙拉里 也作 arugula,rocket salad,roquette〔veiny〕Full of or exhibiting veins; veined.静脉的、叶脉的、纹理的：充满或显示出静脉或叶脉、纹理的；静脉的、叶脉或纹理的〔veined〕Having veins or showing veinlike markings.叶脉的、静脉的、纹理的：有静脉或叶脉等的；显示出静脉或叶脉状标识的〔palm〕Any of various chiefly tropical evergreen trees, shrubs, or woody vines of the family Palmae (or Arecaceae), characteristically having unbranched trunks with a crown of large pinnate or palmate leaves having conspicuous parallel venation.棕榈科植物：棕榈科（或槟榔科）的各种主要的热带常绿树、灌木或木质藤本植物，特点为有无分支的树干，其顶端集生羽状或掌状的树叶，并带有明显的平行叶脉〔veinlet〕A small or secondary vein, as on the wing of an insect.小翅脉、小静脉、细（叶脉）：小的或从属的脉，如昆虫的翅脉上〔spleenwort〕Any of numerous widely distributed evergreen ferns of the genusAsplenium, having undivided to featherlike fronds and oblong to linear sori located on the small veins. 铁角蕨：一种大量繁殖蔓延的常青蕨类植物铁角蕨， 有不可分的和羽状叶子，矩形的长在细小叶脉上的浅性孢子群 〔midrib〕The central or principal vein of a leaf.中脉：中心的或主要的叶脉 |
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