Labium inferius

例句：

1. 1. The ancient city of Rome was a center for trade and culture.
   古罗马城是一个贸易和文化交流的中心。
2. 2. The labia are the openings between the vagina and anus.
   阴唇是阴道与肛门之间的开口。
3. 3. She was wearing a labiah dress that made her look very sexy.
   她穿着一条蕾丝裙，看起来非常性感。