My father was a historian of repute. His speciality was the history of Germany
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。
Historian Michael Beschloss debunks a few myths.
历史学家迈克尔·贝施洛斯破除了几个不实传言。
The students put the books on the library desk, and the librarian checked them in.
学生们把书放在图书馆的柜台上，管理员查核后收回。
The computer can alter the Serials Librarian and produce a bindery notice.
计算机可提醒管理连续出版物的馆员，并制作装订通知。
The study of subject knowledge services based on subject librarian system
基于学科馆员制度的学科知识服务研究