做饭前洗手，这样你就不会传播细菌。

Wash your hands before cooking so that you don't spread ___germs.

卫生讲座强调了如何防止细菌传播。

The hygiene lecture emphasized how to prevent the spread of ___germs.

医疗专业人员必须警惕临床环境中的有害细菌。

Medical professionals must be vigilant against harmful ___germs in clinical settings.