名词
中文翻译：三棱双锥体
同义词：
['triangular bipyramid', 'triangular pyramid']
例句：
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1. Thearchitect designed the building with a triangular bipyramid shape.
建筑师设计了一座具有三棱双锥形状的建筑。
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2.The triangular bipyramid is an interesting geometric shape that can be used in various contexts.
三棱双锥是一种有趣的几何形状，可以在各种场合中使用。
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3. In ancient times, triangular bipyramids were often used as symbols of power and authority.
在古代，三棱双锥常作为权力和权威的象征。