class file

例句：

1. 1. The teacher asked for the class file to review the students' progress.
   老师要求查看班级文件以审查学生的进展。
2. 2. She kept her class file safe in a locked drawer.
   她将她的班级文件安全地放在一个锁着的抽屉里。
3. 3. The school requires all students to maintain their class files.
   学校要求所有学生保持他们的班级文件。