course indicator

例句：

1. 1. The course indicator is a crucial tool for evaluating student performance.
   课程指示器是评估学生表现的关键工具。
2. 2. The instructor used the course indicator to guide students through the lesson.
   教师使用课程指示器指导学生完成课程。
3. 3. The course indicator system was designed to improve student engagement and motivation.
   课程指示系统旨在提高学生的参与度和动力。