derris

derris
[ˈdɛrɪs]
noun
  1. [mass noun]an insecticide made from the powdered roots of certain tropical plants, containing rotenone
    鱼藤酮杀虫剂
  2. a woody climbing plant of the pea family, which bears leathery pods and has tuberous roots from which this insecticide is obtained
    鱼藤
  3. Genus Derris, family Leguminosae
    鱼藤属,豆科
语源
  1. mid 19th cent. (in sense 2): modern Latin (genus name), from Greek, leather covering' (referring to the plant's leathery pods)
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