tutorial light

例句：

1. 1.The classroom is illuminated with the tutorial light.
   教室被教学灯照亮了。
2. 2. The student uses the tutorial light to study in the library.
   学生使用教学灯在图书馆学习。
3. 3. The teacher switched on the tutorial light to help the students with their homework.
   老师打开教学灯帮助学生们做作业。