然后从树里会伸出一个机械臂，把自行车拉入一个圆柱形存放井里，并以很快的速度把自行车存放在空闲存车位里。
A mechanical arm then emerges, pulls the bike into a cylindrical well and stores it at high speed in a free location.
教室和等候区围绕了这座圆柱形建筑，而孩子们便可以看着窗外，凝视着这棵树而发呆。
The perimeter of the cylindrical building is lined with classrooms and waiting areas, so that children can daydream while looking out the window and gazing at the old tree.
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