单词：vigna
音标：['vi^nә] ；
[植]豇豆
n genus of vines or erect herbs having trifoliate leaves and yellowish or purplish flowers; of warm or tropical regions; most species often placed in genus Phaseolus
词型变化：名词复数形式 : vignas
vigna的用法和样例：
例句
用作名词(n.)
- Comparative test between field resistance and yield of several varieties of Vigna unquiculata ssp.长豇豆不同品种田间抗病性及产量比较。
- Studies on Yield Loss and Dynamic Economic Threshold of Cowpea Aphid Aphis craccivora Koch on Cowpea, Vigna sp.豆蚜危害豇豆损失率及动态经济阈值研究。