vaginal orifice

• 阴道口

vaginal orifice的用法和样例：

例句

1. The examiner places one finger inside the vaginal introitus, and the woman is instructed to contract the muscle that she uses to stop urine flow.
   检查者放一手指于阴道口内，指导病人用停止排尿的方法来收缩肌肉。