防虫的

例句：

1. 1. We need to use a pesticideto prevent the spread of the disease.
   我们需要使用一种杀虫剂来防止疾病的传播。
2. 2.The farmer sprayed his crops with insecticide to protect them from insects.
   农民用杀虫剂喷洒他的庄稼以保护它们免受昆虫侵害。
3. 3. To keepyour garden free from pests, you should regularly applyinsecticide.
   为了保持你的花园免受害虫侵扰，你应该定期施用杀虫剂。