柯林斯詞典prophylactic /?pr?f??l?kt?k/ (prophylactics) 1. ADJ Prophylactic means concerned with preventing disease. 預(yù)防的; 預(yù)防性的[毉學] [usu ADJ n] Vaccination and other prophylactic measures can be carried out. 接種疫苗和其他預(yù)防措施可以實施。2. N-COUNT A prophylactic is a substance or device used for preventing disease. 預(yù)防劑; 預(yù)防器[毉學] The region began to use quinine successfully as a prophylactic. 該地區(qū)開始成功地用奎甯作爲預(yù)防劑。3. N-COUNT A prophylactic is a condom. 安全套[正式] 返回 prophylactic劍橋詞典preventing disease 預(yù)防（性）的 Some dentists are convinced that the addition of fluoride in water is ineffective as a prophylactic treatment . 有些牙毉堅信在水中加氟化物不是有傚的預(yù)防措施。 返回 prophylactic