noun🔗Share鱼藤酮,鱼藤精。 A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide."The gardener sprayed the roses with rotenone to kill the aphids. "园丁在玫瑰花上喷洒了鱼藤酮,用来杀死蚜虫。substancechemistryagricultureplantbiologyenvironmentsciencetechnicalcompoundnatureinsectChat with AIVocabulary GamePractice Reading