rhombic pyramid

例句：

1. 1. The rhombic pyramid is a unique shape that has been used in architecture for centuries.
   五角形金字塔是一种特殊的形状，这种形状在建筑中已经使用了好几个世纪。
2. 2.The rhombic pyramid is a symbol of the ancient Egyptians' belief in the afterlife.
   五角形金字塔是古埃及人对来世信仰的象征。
3. 3. The rhombic pyramid is often used as a model for studying the properties of crystals.
   五角形金字塔经常被用作研究晶体性质的模型。