| 词汇 | prophylactic |
| 释义 | prophylactic adjective medical specialized uk/ˌprɒf.ɪˈlæk.tɪk/ us/ˌprɑː.fɪˈlæk.tɪk/ 预防（性）的 preventing disease 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。 prophylactic noun [ C ] uk/ˌprɒf.ɪˈlæk.tɪk/ us/ˌprɑː.fɪˈlæk.tɪk/ medical specialized预防药（剂） something that is intended to prevent disease mainly US避孕套，保险套 a condom |
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