https://online2.tingclass.net/lesson/shi0529/0008/8828/226.mp3
https://image.tingclass.net/statics/js/2012
A: What's the matter with you?
你怎么啦?
B: This tooth hurts.
这颗牙疼。
A: Let me have a look.
让我看看。
A: Your tooth has an abscess.
你的牙齿有脓肿。
B: My gum also hurts me.
我的牙龈也疼。
A: It seems that there is an infection.
似乎是感染。