The librarian entered a new book in the catalogue.
图书管理员把一本新书编入目录。
Librarians spend a lot of time classifying books.
图书馆工作人员花许多时间将书分类。
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。
English tense system has long been a focus of linguists and grammarians.
英语时态系统一直受到语言学家和语法学家的广泛关注。
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。