预防药

• preservative
• preventive
• prophylactic

参考释义

预防药

• -

例句

1. 请吃些预防药吧。
   Please take some preventive medicine now.
2. 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。
   For the first, the best preservative to keep the mind in health, is the faithful admonition of a friend.