预防药的英文

• preservative
• preventive medicine
• prophylactic

• 预防:    prevent; take precautions ag ...
• 药:    medicine; drug; remedy
• 化学预防药:    chemoprophylactic drug
• 病因性预防药:    causal prophylactics
• 临床性预防药:    clinical prophylactics

例句与用法

1. Quinine is an effectual preventive for malaria
   奎宁是有效的疟疾预防药。
2. Please take some preventive medicine now
   请吃些预防药吧。
3. For the first , the best preservative to keep the mind in health , is the faithful admonition of a friend
   说到第一种，最能保人心神之健康的预防药就是朋友的忠言规谏。

其他语言

预防药的日语：よぼうざい プリベンチブ