sexual union involving penetration of the vagina by the penisfemale pandas are receptive to copulation for a short time once a year
female pandas are receptive to copulation for a short time once a year
coition, coitus, commerce, congress, copulating, coupling, intercourse, lovemaking, mating, relations, sex, sex act, sexual intercourse, sexual relations
fornicationsafe sexcarnality, sexualitybreeding, inseminationdalliance, hanky-panky, whoopee
getting it on, making love
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。