disinfectant|disinfectants

清洁厨房时，我经常使用消毒剂来杀死细菌。

When cleaning the kitchen, I often use ___disinfectant to kill germs.

医院每天使用消毒剂清洁病房和设备。

Hospitals use ___disinfectants daily to clean wards and equipment.

医院使用消毒剂来保持环境清洁无菌。

Hospitals use ___disinfectant to keep the environment clean and germ-free.