| 单词 | prophylactic |
| 释义 | Word Frequency prophylactic(ˌprɒfɪˈlæktɪk) adjective 1. protecting from or preventing disease 2. protective or preventive noun 3. a prophylactic drug or device, esp a condom Word origin C16: via French from Greek prophulaktikos, from prophulassein to guard by taking advance measures, from pro-2 + phulax a guard |
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