在课堂上,老师总是提醒我们要有正确的读书写字姿势,但是同学们总是不知不觉就趴在桌子上了,看书时也是越看越近,因此,我想发明一种智能课桌。这种桌子装上了一种感光材料,如果我们看书时眼睛离书本不足一尺远,桌子左上方的小显示屏就会发出提示性的话语:“小朋友,请注意保护眼 In the classroom, the teacher always reminds us to have the correct position for reading and writing, but the classmates always unknowingly lie on the table, and when they are reading, they are getting closer and closer to each other. Therefore, I want to invent a smart desk . The table is loaded with a light-sensitive material. If we read the book less than a foot away from the book, the small display at the top left of the table would send a message of caution: "Children, pay attention to protecting the eye