求翻译：1 不利于中学生学习: 上网时间长使身体疲惫,精神恍惚,在网络上整天沉溺游戏.聊天,看爱i情,上课无心听讲,使中学生容易失常,学习成绩下降.是什么意思？

1 is not conducive to student learning: surf for a long time the body tired, trance, indulge all day games on the network. chatting, watching porn, Centerless attendance in class, students easily disorders, learning performance.

1 : not conducive to high school students learning on the Internet a long time making the physical fatigue, absentminded, all day long on the network game drowned . unintentional chat, watching pornographic, school attendance, learning, so that students can easily distort declining performance.

1 is not conducive to student learning: surf for a long time the body tired, trance, indulge all day games on the network. chatting, watching porn, Centerless attendance in class, students easily disorders, lea