“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	dividendo dividend policy dividend relevance theory divider divider compasses divide the income and expenditure and guarantee the work at different levels dividing dividing cycle dividing head dividing line dividing point dividing stripe greening dividing the profits of the enterprises into four parts divied grade rodent damage in grassland divina proportio Divination by Five Stars written on Silk Unearthed from Mawangdui Han Tombs divination combined with mystical confucianist belief Divinations by Astrological and Meteorological Phenomena written on Silk Unearthed froms Mawangdui Han Tomb DiVincenzo criteria DiVincenzo判据 Divine Music Office Divine Office divine proportion diviner divine right of kings

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