Listen to a conversation between a student and a librarian.
请听一段学生和图书管理员之间的对话。
Listen to a conversation between a student and the librarian employee.
请听一段学生和图书管理员之间的对话。
This file defines four roles: manager, librarian, student, and visitor.
这个文件定义4个角色：manager、librarian、student和visitor。
This file defines four roles: manager, librarian, student, and visitor.
这个文件定义4个角色：manager、librarian、student和visitor。
应用推荐