dentin hypersensitiveness

例句：

1. 1. The dentistadvised the patient to avoid hard candy fora week.
   牙医建议病人避免吃硬糖一周。
2. 2. The child's teethwere so sensitive that he could feel hotliquids on his tongue.
   孩子的牙齿非常敏感，他可以感觉到热的液体在他的舌头上。
3. 3. The dentist recommended a specialtoothpaste for the child'ssensitive gums.
   牙医为孩子敏感的牙龈推荐了一种特殊的牙膏。