讲义
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?
讲义
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?