The program is in the cuboid procedures based on their inheritance, to achieve a description of cube.
该程序是在长方体程序的基础上实现对其继承，实现对正方体的描述。
The cuboid building, which presents no Windows to the street, rises above a perimeter wall that encloses a garden on four sides.
长方形的建筑，临街面没有窗户，沿着花园四边的墙壁升起。
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