治疗学家

例句：

1. 1. He is a renowned expert in the field of pediatrics.
   他是儿科领域的著名专家。
2. 2. The doctor treated her with medication and advised her to rest.
   医生给她开了药并建议她休息。
3. 3. She consulted with a specialist before making any decisions.
   在做任何决定之前，她咨询了一位专家。