“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	gas transmission station of pipeline gastric acid gastric antisecretory drug gastric antral vascular ectasia gastric bezoar gastric carcinoma gastric emptying gastric fistulization gastric foveola gastric gland gastric gland secretion gastric groove gastric injury gastric juice gastric lymphoma gastric motility gastric motility testing gastric mucosa gastric mucosa-associated lymphoid tissue lymphoma gastric outlet obstruction gastric paralysis gastric precancerous change gastric resection gastric retention preparations gastric volvulus

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。