名词
中文翻译：五角星
同义词：
['pentagon', 'star of five points']
例句：
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1. The five-pointed staris a symbol of freedom and democracy.
五角星是自由和民主的象征。
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2. The starof the five-pointed star islocated at the center of the circle.
五角星的五点中心位于圆心。
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3.The star of the five-pointedstar is used to represent the United Statesin international events.
五角星代表美国在国际事件中的官方象征。