a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
同义词：pill??/??birth control pill??/??contraceptive pill??/??oral contraceptive pill??/??oral contraceptive??/??anovulatory drug
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。