n.除虫菊(尤见于肯尼亚)，除虫菊杀虫剂

原形：pyrethrum复数：pyrethrums

The pyrethrum flowers were used to make a natural insecticide.
这些百部花被用来制作一种天然的杀虫剂。
Farmers in Africa often use pyrethrum plants for pest control.
非洲的农民经常使用百部植物来控制害虫。
Pyrethrum-based products are considered safe for human use.
基于百部的产品被认为对人体安全。
Scientists have been researching the potential of pyrethrum for agriculture.
科学家们一直在研究百部在农业中的潜力。
The extract from pyrethrum has been shown to be effective against mosquitoes.
百部提取物已被证明对蚊子有效。
Pyrethrum can be found in various household items such as candles and sprays.
百部可以在各种家用物品中找到，如蜡烛和喷雾剂。
Some people prefer natural remedies like pyrethrum over chemical pesticides.
有些人更喜欢像百部这样的自然疗法，而不是化学杀虫剂。
The effectiveness of pyrethrum against insects was first discovered in the 19th century.
百部对抗昆虫的有效性是在19世纪首次发现的。
Farmers in some regions rely on pyrethrum for their crops' protection.
一些地区的农民依赖百部来保护他们的作物。
Pyrethrum is an important component in many eco-friendly pest control solutions.
百部是许多环保型害虫控制解决方案的重要组成部分。