博学的

例句：

1. 1. He is a man of great knowledge and experience.
   他是一位知识渊博、经验丰富的人。
2. 2. She has a keen interest in history and is considered a learned scholar.
   她对历史有浓厚的兴趣，被认为是一位学识渊博的学者。
3. 3. The professor's lecture was filled with insights into the subject matter, demonstrating his learned expertise.
   教授的讲座充满了对主题的深刻见解，展示了他的学识和专长。