Definition: a very small living thing that causes disease Level: C1
准备食物前一定要洗手，以免传播细菌。
Always wash your hands before preparing food to avoid spreading ___germs.
定期清洁有助于减少家居环境中的细菌数量。
Regular cleaning helps to reduce the number of household ___germs.
细菌和病菌是可能导致疾病的微生物。
Bacteria and ___germs are microscopic organisms that can cause illness.
