英文: A cube has six surfaces.
中文: 立方体有六个面.英文: A cube is a solid.
中文: 正方体是立体图形.英文: In this problem, the sub-cube with the largest sum is referred to as the maximal sub-cube.
中文: 所谓一个立方体的和是指这个立方体中所有元素的和。英文: A cube is a regular solid.
中文: 立方体是正多面体。英文: Please pass me a cube of sugar.
中文: 请递给我一块方糖。