1. The farmers sprayed malathion on their crops to protect them from pests.
农民在作物上喷洒马拉硫磷以保护它们免受害虫侵害。
2. The city authorities used malathion to reduce the mosquito population and prevent the spread of diseases.
城市当局使用马拉硫磷来减少蚊子数量并防止疾病传播。