insecticide|insecticides

农民在果园里喷洒杀虫剂以防止害虫。

Farmers spray ___insecticide in the orchard to prevent pests.

我们在花园里喷洒杀虫剂来防止蚊虫叮咬。

We spray ___insecticides in the garden to prevent mosquito bites.

我们在花园里喷了杀虫剂来驱赶蚊子。

We sprayed ___insecticide in the garden to keep mosquitoes away.