1、Feverfew and pyrethrum are used in insecticides.
小白菊和紅花除蟲(chóng)菊可用來(lái)制殺蟲(chóng)劑。

2、This article draws up the pyrethrum ester insecticide.
本品是擬除蟲(chóng)菊酯類殺蟲(chóng)劑。

3、made of dried flower heads of pyrethrum plants.
用除蟲(chóng)菊植物的干花頭制成。

pyrethrum翻譯