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 and the librarians query for books beyond the current list.同学和图书管理员询问现有书目以外的书籍.The teachers and librarians of ancient Alexandria did it.古代亚历山...
The librarians catalogued the new books.图书管理人员把新书编成目录.The teachers and librarians of ancient Alexandria did it.古代亚历山大城的教师和图书管理人员就曾做过这种工作.The students and the librarians query for books beyond the current list.同学和图书管理员询问现...