“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	multiple arc multiple arch dam multiple-arc method multiple art multiple asset Joint test multiple attenuation multiple attenuation model multiple attribute utility function multiple bandgap solar cell multiple bar chart multiple base multiple baseline processing multiple beam multiple beam interference multiple-beam interference multiple births multiple-body problem multiple bond multiple-branched and multiple-labeled tree model multiple branding strategy Multiple cases multiple cases study multiple case study embedded design Multiple case study holistic design multiple cell

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