我的父亲是一名颇有名气的历史学家，他专门研究德国历史。

My father was a historian of repute. His speciality was the history of Germany.

youdao

我的父亲是一名颇有名气的历史学家，他专门研究德国历史。

My father was a historian of repute. His speciality was the history of Germany.

youdao