prophylactic disinfection

例句：

1. 1. The doctor prescribed aprophylactic medication for her toprevent the cold.
   医生给她开了一种预防感冒的药物。
2. 2. The company implemented prophylacticmeasures to reduce employee turnover.
   公司实施了预防措施以减少员工流失。
3. 3. The research focusedon developing prophylactic vaccinesto combat pandemics.
   该研究专注于开发预防性疫苗来对抗大流行病。