4周搞定2000+托福核心词
prophylactic
常考释义
adj. 保护性的；预防的
The prophylactic nap is a nap taken ahead of a period of anticipated sleep deprivation, such as a late night or a long journey.
预防性小睡是指在熬夜、长途旅行等影响睡眠的事情之前的小睡。
Don't download anything on your Bluetooth phone without taking suitably prophylactic measures.
在采取适当的保护措施之前，不要用蓝牙往手机上下载任何东西。
adj. 预防（性）的；防病的
Vaccination and other prophylactic measures can be carried out.
可以采取接种和其他预防性措施。
a prophylactic drug
预防性药物
n. 预防剂；预防器；安全套；避孕套
The region began to use quinine successfully as a prophylactic.
该地区开始成功地用奎宁作为预防剂。
The prospect of teachers passing out prophylactics to their pupils has infuriated some parents.
想到老师将分发避孕套给学生，一些家长愤慨不已。
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