sexual union involving penetration of the vagina by the penisthe students learned about the mechanics of sex and reproduction in health class
the students learned about the mechanics of sex and reproduction in health class
coition, coitus, commerce, congress, copulating, copulation, coupling, intercourse, lovemaking, mating, relations, sex act, sexual intercourse, sexual relations
fornicationsafe sexcarnality, sexualitybreeding, inseminationdalliance, hanky-panky, whoopee
getting it on, making love
in the 14th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。