| 单词 | nervure |
| 释义 | nervure (once / 40898 pages) n WORD FAMILY nervure: nervures USAGE EXAMPLESThen comes the radial—usually the most important nervure of the wing—typically with five branches, and the median with four. Various, Encyclopaedia Britannica, 11th Edit...(2012) Entrance for a pin-point between them is to be found at the base of the wing where the subcostal and median nervures come close together. Weed, Clarence M., Butterflies Worth Knowing(2011) The wings are expansions of the sides of the second and third sections of the thorax, and are strengthened by narrow thickenings called 'nervures'. Various, The New Gresham Encyclopedia—Volume...(2011) 1n any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ Syn|Hypo|Hyper vein midrib, midvein the vein in the center of a leaf fibrovascular bundle, vascular bundle, vascular strand a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem 2n one of the horny ribs that stiffen and support the wing of an insect Syn|Hyper vein rib a riblike supporting or strengthening part of an animal or plant |
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