morning-after pill

• n. 房事后用的女用口服避孕丸

morning-after pill的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. a large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest