青云翻译

Some students even mobile phones into the classroom, in the classroom often hear the phone ring, destroy classroom discipline

Students and into mobile classrooms, in class often hear ringtones, destruction of class discipline

Some students even take into the handset the classroom, hear frequently in the classroom the handset ting, the destruction classroom discipline

Some students and even their phones into the classroom, the classroom often heard cell phone ringtone, undermining classroom discipline

Students and into mobile classrooms, in class often hear ringtones, destruction of class discipline