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单词 prophylactic
释义

prophylactic1/profiʹlaktik/ adj

guarding against, protecting from, or preventing disease

formal tending to prevent or ward off; preventive

prophylactically adv
[Greek prophylaktikos, from prophylassein to keep guard before, from pro-1 + phylassein to guard, from phylak-, phylax guard]

prophylactic2noun

a prophylactic drug

chiefly NAmer a contraceptive device, esp a condom

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