fumigating insecticide

例句：

1. 1. The hospital uses fumigating to prevent the spread of infections.
   医院使用熏蒸来预防感染的传播。
2. 2.The food was fumigated before being shipped overseas.
   食品在出口前进行了熏蒸处理。
3. 3. The pest control expert recommended using fumigating to eliminate rodents in the house.
   害虫控制专家建议使用熏蒸来消除家里的老鼠。