the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
同义词：sexual intercourse??/??intercourse??/??sex act??/??copulation??/??coitus??/??coition??/??congress??/??sexual relation??/??relation??/??carnal knowledge
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。