per.i.ne.um
n.（名词）【复数】 per.i.ne.a[-nô.…] The portion of the body in the pelvis occupied by urogenital passages and the rectum, bounded in front by the pubic arch, in the back by the coccyx, and laterally by part of the hipbone.会阴：身体上有尿道和直肠口的盆骨里的一个部分，前邻阴道，后临尾骨，再后是臀骨的一部分The region between the scrotum and the anus in males, and between the posterior vulva junction and the anus in females.会阴：男性阴囊和肛门间的部分，女性臀部与阴户结合处与肛门间的部分
来源：Middle English 中古英语 from Medieval Latin perinaeon 源自 中世纪拉丁语 perinaeon from Greek perinaion 源自 希腊语 perinaion peri- [peri-] peri- [前缀，表.靠近.] inan [to excrete] inan [排泄]
【引伸】
per.ine.al
