
好词典

源自拉丁语 'insectum'(昆虫)和 'caedere'(杀死),字面意思为'杀昆虫的药剂'。
❶ 杀虫剂,指用于杀死或控制昆虫的化学或生物制剂,常用于农业、家庭和公共卫生领域。
“Farmers use insecticides to protect their crops from pests.”
(农民使用杀虫剂来保护庄稼免受害虫侵害。)
“The government banned certain insecticides due to their harmful effects on bees.”
(政府因某些杀虫剂对蜜蜂有害而禁止使用。)
broad-spectrum insecticides — 广谱杀虫剂,指能杀死多种昆虫的杀虫剂,常用于需要大规模防治害虫的场合。
“Broad-spectrum insecticides are effective but may also harm beneficial insects.”
(广谱杀虫剂效果显著,但也可能伤害益虫。)