If bees were to use square cells, there would be small gaps between each square.

如果蜜蜂使用方形蜂房，每个方形之间就会有小间隙。

So he came up with a machine that takes as input an infinitely long tape of square cells, each containing a 0 or a 1.

因此， 他发明了一种机器， 可以将无限长的方形单元带作为输入，每个单元包含一个 0 或一个 1。