1. A nonpersistent chemical, C4H7O4PBr2Cl2, used for mosquito control and as an insecticide against crop pests. 
   二溴磷一种非永久性化学药品，c4h7o4pbr2cl2，用来抑制蚊子并作为杀死农作物害虫的一种杀虫剂
2. A chemical, such as a hormone, a fungicide, or an insecticide, that improves the production of crops. 
   农药，农用化学品用来增加作物产量的化学品，如激素、杀菌剂、杀虫剂
3. An insecticide designed to kill larval pests. 
   杀幼虫剂用于杀死害虫幼虫的杀虫剂
4. The gardener sprayed insecticide on the flowers. 
   那园丁给花喷洒了杀虫剂。
5. The plant began making Rogor insecticide in 1960. 
   这工厂在1960年开始制造罗格尔杀虫剂。

查看更多例句 相关情景会话