“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	media control interface media control interface, MCI media convergence media conversion Media Corp Mediacorp media corporate governance media corporation Mediacorp Pte Ltd media cost media culture Media, Culture and Society Media Department, Arcada Polytechnic media dependency syndrome Media Dependency Theory media differentiation strategy media distribution channel media distributor media diversity strategy media ecology media economics media economy media education media educational technology media effects

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