“barrier methods”的概念、定义、翻译、参考文献-科学参考

单词	barrier methods
释义	barrier methods Encyclopedia 医学外用避孕释 barrier methods外用避孕用物理方法（机械阻挡）不让精子到达子宫腔内，或用化学制剂在阴道内灭活精子，也可两者结合，以此阻挡精、卵相遇而避孕的方法。
随便看	aging aging appraisal of irrigation scheme aging design Aging Economics aging effect aging genes aging of polymer aging of population aging-precipitating-strengthening superalloy aging process aging resistance of wood-based panels Aging Schedule aging technique of vacuum electronic device aging test aginomoto A. Girard A. Girard (1595—1632) A Girl A Girl From Hunan agitated vessel agitating tank agitation agitation leaching of mineral material agitator AGK

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