名词
中文翻译：五角星
同义词：
['pentagon', 'pentagram']
例句：
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1.The pentagon is a geometric figure with five sides.
五边形是一种具有五个边的几何图形。
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2. The pentagram represents protection and infinity.
五芒星代表着保护和无限。
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3. The pentagon was featured on the side of the building.
五角星出现在建筑物的侧面。