insecticide
🇺🇸
/ɪnˈsektɪsaɪd/
🇬🇧
/ɪnˈsektɪsaɪd/
A substance that is used to kill insects.
The farmer used an insecticide to protect his crops from pests.
农民使用杀虫剂来保护他的庄稼免受害虫的侵害。