noun🔗Share除虫菊 Any of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium."My grandmother grows pyrethrum in her garden for its beautiful flowers and natural insecticidal properties. "我的奶奶在她的花园里种除虫菊，既因为它的花朵美丽，也因为它有天然的杀虫功效。plantinsectagriculturebiologyenvironmentnaturescienceChat with AIVocabulary GamePractice Reading
noun🔗Share小白菊 Anacyclus pyrethrum (pellitory of Spain)"My grandmother grows pyrethrum in her garden, believing its roots can help with some ailments. "我奶奶在她的花园里种小白菊，她相信它的根可以治疗一些小毛病。plantbiologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗Share除虫菊酯，除虫菊精。 Any of several insecticides obtained from these plants; pyrethrin."To keep the garden free of pests, she sprayed the roses with a natural insecticide made from pyrethrum. "为了让花园远离虫害，她给玫瑰花喷洒了一种用除虫菊酯制成的天然杀虫剂。insectplantagriculturechemistryenvironmentscienceChat with AIVocabulary GamePractice Reading
