pyrethrum是什么意思
2024-02-03 06:37:16
pyrethrum
n. 除虫菊
近义词：Chrysanthemumcoccineum，
英英释义
Noun
- made of dried flower heads of pyrethrum plants
- white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum
- spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum
- used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
例句
用作名词(n.)
- This article draws up the pyrethrum ester insecticide.本品是拟除虫菊酯类杀虫剂。