| 单词 | 叶脉 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔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，或河流及其支流美国传统〔areola〕Biology A small space or interstice in a tissue or part, such as the area bounded by small veins in a leaf or the wing of an insect.【生物学】 小区，细隙，叶脉网隙：组织或部分的小空间或空隙，如叶子中的细脉或昆虫的翼周围的区域美国传统〔bundle scar〕A small mark on a leaf scar indicating a point where a vein from the leaf was once connected with the stem.叶柄标记：叶柄痕上的一个小标记，表示叶脉曾在此与茎相连美国传统〔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美国传统〔excurrent〕Extending beyond the apex of a leaf, as a midrib or vein.（叶脉）延伸的：伸出叶的顶端的，如中脉或叶脉美国传统〔midrib〕The central or principal vein of a leaf.中脉：中心的或主要的叶脉美国传统〔nervate〕Having veins. Used of leaves.具脉的：有叶脉的。用于修饰树叶美国传统〔nerve〕The midrib and larger veins in a leaf.叶脊或大叶脉美国传统〔node of Ranvier〕A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.郎飞氏结：髓磷脂叶鞘上的阻塞物，沿叶脉纤维长度长在不同间隔处美国传统〔rib〕Botany The main vein or any of the prominent veins of a leaf or other plant organ.【植物学】 主叶脉：叶子或其它植物器官的主要纹理或任一突起的纹理美国传统〔rugose〕Botany Having a rough, wrinkled surface, as in certain prominently veined leaves.【植物学】 多皱的：不平或多皱的表面的，如某些叶脉突出的叶子美国传统〔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美国传统〔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，如昆虫的翅脉上美国传统〔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、叶脉或纹理的美国传统〔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美国传统〔venosity〕The quality or condition of being venous or venose.具脉，多叶脉：具有叶脉或多叶脉的性质或状态美国传统Leaf veins distribute food and water throughout the leaf.叶脉把养料和水分分配给整张叶子。剑桥国际The plant has broad leaves with a reticulate vein structure.这一植物有着宽大的叶子及网状的叶脉结构。剑桥国际These plants have pale pink flowers and deeply veined leaves.这些植物长有浅粉红色的花和粗叶脉的叶子。剑桥国际 |
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