when do people have two mouths?

问题描述:

when do people have two mouths?

When someone faces to mirror

两个答案。
1. When there are 2 people together.
2. When one person is in front of a mirror.

问题:什么时候人们会有两张嘴?
当然是两个人的时候.
certainly when there are two people

什么时候人们有2张嘴?