The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal.
(先天性)闭锁, 无孔正常的身体孔或管道, 如肛门、肠或外耳道的缺失或闭合
An endless flow of word stream from the same orifice.
一连串滔滔不绝的话都是同一张嘴巴讲出来的。
Every person has two nasal orifices.
一个人有两个鼻孔。
