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preventive [英] [prɪˈventɪv] [美] [prɪˈvɛntɪv] [形] 预防性的 [名] 预防措施;预防药 词频排名 31182/55435 学习人数 5329 难度等级 8/10 认知比例 36.22% 例句 We had to take preventive measures. 我们不得不采取预防措施。 We should take an effective preventive against the flood. 我们应该采取有效的洪水预防措施。 Quinine is an effectual preventive for malaria. 奎宁是有效的疟疾预防药。 助记 联想 pre提前vent问他…是为了—预防阻止… prevent ~v.预防阻止妨碍 prevention ~ion名~n.预防阻止妨碍 preventative ~ative~adj.预防性的n.预防药预防措施= = preventive
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