["Fruit milk" resounds in the classrooms of major colleges and universities] Recently, a mysterious virus spread among college students in many colleges and universities. After the mobile phone clicked on the program, it began to play the commercial sound of milk foam. The volume automatically became the maximum and unable to Turning off [covering face] It seems that something similar is going to be popular every two years. Someone in our class had this trick, but they played some unsuitable voices for children. If you click on it in the classroom, it really is. Died on the spot.