derris / ˈdɛr ɪs /

🎓大学词汇德瑞斯德瑞丝德雷兹德里斯

derris 的定义

n. 名词 noun
  1. any East Indian plant belonging to the genus Derris, of the legume family, especially D. elliptica, the roots of which contain rotenone and are used as an insecticide.