prophylactic

prophylactic
[ˌprɒfɪˈlaktɪk]
adjective
  1. intended to prevent disease
    预防性的,预防疾病的
    prophylactic measures.
    预防措施。
noun
  1. a medicine or course of action used to prevent disease
    预防药;预防剂;预防法
    I took malaria prophylactics.
    我服用了预防疟疾的药。
    ■(chiefly N. Amer.)a condom
    (主北美)避孕套
派生
prophylactically
adverb
语源
  1. late 16th cent.: from French prophylactique, from Greek prophulaktikos, from pro 'before' + phulassein 'to guard'
英语宝典
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