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凯文回家时挟了一卷4英尺长的纸张厚薄的东西。进入居室时，传感器检测到他的到来，墙壁开始柔和发光，房间亮了起来。他打开这卷东西并沿墙壁铺开，说道：“这就是8英寸大的新电视屏！”不过，这种墙壁发光和画卷式电视屏，不是出现在今天，而是发生于2007年。但使这些奇特物
Kevin relied on a 4-foot-long piece of paper when going home. When entering the room, the sensor detected his arrival, the walls began to shimmery and the room lit up. He opened the roll and spread it along the wall and said: “This is the new 8-inch TV screen!” However, this wall-emitting and picture-scroll TV screen did not appear today, but in 2007. But make these strange things