https://online2.tingclass.net/lesson/shi0529/0007/7888/life_068_visit_the_dentist_873.mp3
https://image.tingclass.net/statics/js/2012
講義
A: Dr. Wang. My tooth hurts.
B: How long has the pain been going on?
A: About a week.
B: Well, let me take a look. Is this where it hurts?