The two estates join at this point.
两块





接。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

But thinking of colors on the cube, you're naturally led to an interesting combinatorial question: Is there a way to color the cube so that the three neighbors of any given vertex will always represent red, green and blue.
想到立方体上
颜色,
会自然地联想到一个有
组合问题:是否存在一种给立方体上色
方法,使得任何一个顶点
三个邻接面总是代表红、绿、蓝三种颜色。