博

例句：

1. 1. I have a passion for learning new languages.
   我对学习新语言充满热情。
2. 2. The professor's lecture was so comprehensive that it covered all aspects of the subject.
   教授的讲座非常全面，涵盖了该学科的所有方面。
3. 3. He has broadened his horizons by traveling to different parts of the world.
   他通过旅行到世界各地拓宽了视野。