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" These results are valuable for preventive medicine , " toker notes . "

“这些研究结果对预防医学很有价值，”托克指出。

Even preventive medicine now has to rely on fees .

即使是预防性的药品现在也要收费。

Male circumcision probably has little or no preventive benefit for women .

男性包皮环切在预防艾滋病方面可能很少或根本不能让女方受益。

The government made formal recommendations about preventive vaccination .

政府作出了正式的接种预防性疫苗的建议。

Eat well and stay active -- brisk walks are an effective diabetes preventive .

健康地饮食并经常运动轻快的散步能有效地预防糖尿病。