noun 下载 🔗分享 杀虫剂,灭虫药 A substance used to kill insects. Examples : "The farmer used insecticide to kill the bugs eating his crops. " 农民用了杀虫剂来杀死吃他庄稼的虫子。 insect substance agriculture environment science 与AI对话词汇游戏阅读练习