A video about Rankin's classroom experiment follows.
下面是有关Rankin课堂实验的Youtube视频。
Video, picture, sound and text transmitted simultaneously for a perfect Virtual classroom!
采用多媒体视频授课，图像、声音、文字同步传输，体验完美虚拟课堂！
They were playing video games in the classroom when the teacher burst in.
当他们在玩电子游戏时，老师突然闯入了进来。
They were playing video games in the classroom when the teacher burst in.
当他们在玩电子游戏时，老师突然闯入了进来。
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