英语词汇prophylactic怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	prophylactic
释义	proph.y.lac.tic HprBf7I5lAk7tIk, $.prB:7fI5lAk7tIk adj [not gradable] specialized preventing disease 预防（性）的 Some dentists are convinced that the addition of fluoride in water is ineffective as a prophylactic treatment. 有些牙医坚信在水中加氟化物不是有效的预防措施。
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