polyadelphite

例句：

1. 1. The cube is a perfect example of a polyadelphite.
   立方体是多面体的完美例子。
2. 2. The polyadelphite shape has many applications in architecture.
   多面体形状在建筑学中有广泛的应用。
3. 3.The polyadelphite structure is stable and can withstand high pressures.
   多面体结构稳定，能够承受高压。