1. Onomastics is the study of the origin, history, and usage of personal names.
姓名学是研究个人姓名的起源、历史和用法的学科。
2. The professor specializes in onomastics and can provide valuable insights into the cultural significance of names.
这位教授专攻姓名学，能够提供有关名字在文化上的重要意义的宝贵见解。