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I was involved in an extremely good example of oral contraception two weeks ago.
两星期前，我碰到一个例子绝好地说明什么叫“口头避孕”。
Oral contraceptives, abbreviated OCPs, also known as birth control pills, are medications taken by mouth for the purpose of birth control.
依恋情感网英汉例句词典收录3870147条英语例句词条，基本涵盖了全部常用英语单词的释义及例句，是英语学习的有利工具。