An insecticide derived from a plant, e . g . pyrethrum ( from Chrysanthemum flowers ).
3来源于植物的杀虫剂, 例如除虫菊 ( 来源于菊花 ).
期刊摘选
Made with purify carbon dust 、 pyrethrum no smoke 、 taste after light and do not irritate pneogaster 、 safety 、 higher effective.
本品采用高效拟除虫菊酯为有效药物精心配制而成,无烟环保,驱蚊力强,气味芳香,不污染环境,对人体无刺激.
期刊摘选
The Shaoxing yellow wine organic phosphorus remains, the pyrethrum remains had not picked out.
绍兴黄酒有机磷残留, 菊酯类残留均未检出.
期刊摘选
The output of some export crops, notably cashews, cotton, and pyrethrum, fell drastically.
有几种出口农作物, 特别是腰果 、 棉花和除虫菊的产量大幅度下降.
辞典例句
This article draws up the pyrethrum ester insecticide.
本品是拟除虫菊酯类杀虫剂.
期刊摘选