音标：[.prәufi'læktik] ；

a. 预防性的
n. 预防药, 预防法, 避孕用品

n remedy that prevents or slows the course of an illness or disease
n contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
s capable of preventing conception or impregnation
s warding off
s preventing or contributing to the prevention of disease

词型变化：名词复数形式 : prophylactics

词性分布：

形容词90%

名词10%

prophylactic的用法和样例：

例句

用作形容词(adj.)

This article reviewed the advances on prophylactic use of antibiotics in SAP.本文就预防性应用抗生素在SAP中作用的研究进展作一综述。

用作名词(n.)

Education by itself is no paranormal prophylactic.这是光凭教育无法预防的。
Eating too much urgent prophylactic is harmful to the health.紧急避孕药吃太多很伤身。

词汇搭配

prophylactic nap预防性小睡
condom安全套
prophylactic dose预防剂量
prophylactic serum预防血清
prophylactic inoculation预防接种
prophylactic treatment预防性冶疗
combined prophylactic混合预防剂
prophylactic measure预防措施
prophylactic immunization预防免疫接种...
carrier prophylactic载体预防剂
prophylactic repair定期检修,预防检修...

经典引文

Camphor as a prophylactic against cholera.
出自：J. Fowles
Troops were here as a prophylactic against rioting.
出自：G. Black

【近义词】

prevention阻止
preventative预防性的
preventive预防的
safe安全的
condom安全套
cautionary警戒的
rubber橡胶
safety安全
contraceptive避孕药
antifertility抗繁殖的

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学英语单词

basophil degranulation

biliselectan