| 单词 | leaf vein |
| 释义 | > as lemmasleaf vein leaf vein n. ΚΠ 1841 Monthly Chron. 7 325 Their black tarnished upper and their dazzling white under surface, form splendid back-ground to a blood-red leaf-stalk and three red leaf-veins. 1959 A. Beaumont Dis. Farm Crops iv. 58 A decay in the cell walls of the phloem of the stalks and leaf veins..is known as phloem necrosis. 2004 B. Bunch & A. Hellemans Hist. Sci. & Technol. 105/2 The yellow leaf veins give the plant an autumnal appearance. < as lemmas |
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