spray an insecticide

• 喷洒杀虫剂

spray an insecticide的用法和样例：

例句

1. An aeroplane was used to dust insecticide.
   使用了一架飞机来喷洒杀虫剂。
2. People are spraying insecticide on the fruit trees with sprayers.
   果园里，大家正在用喷雾器给果树喷洒杀虫剂。