“外用避孕”的概念、定义、翻译、参考文献-科学参考

单词	外用避孕
释义	外用避孕 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	ancient construction technology ancient cutting technology ancient cypress group in Qufu ancient cypress in Guang'an City Ancient Cypress in Stalagmite Mountain, Qionglai ancient dam of the Yellow River ancient dance words Ancient Delhi ancient DNA study ancient dramatic stage in Ladong Village, Liping County ancient drilling in China ancient eclipse observations in China ancient Egypt ancient Egyptian architecture ancient Egyptian costume Ancient Egyptian gardens Ancient Egyptian gold craft Ancient Egyptian Hieroglyphic ancient Egyptian law Ancient Egyptian tomb painting Ancient Egyptian tomb relief Ancient Emperors ancient ethnic migration ancient farming system ancient farming techniques

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。