So when you shake the chain, it then folds up into any configuration that you've programmed in -- so in this case, a spiral, or in this case, two cubes next to each other.
当你摇动这个链条时， 它就折叠起来 编程你所为它编码的任何结构 —— 因此这种情况下，一个螺旋体， 火这种情况， 两个相连的立方体。