名词
中文翻译：四边形
同义词：
['quadrangular', 'quadrilateral例句：1. The rectangle is a basic shape in mathematics.（矩形是数学中的基本形状。）2. The quadrilateral has four sides and four angles.（这个四边形有四条边和四个角。）']
例句：
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1. The rectangle is a basic shape in mathematics.
矩形是数学中的基本形状。
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2. The quadrilateral has four sides and four angles.
这个四边形有四条边和四个角。
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3.The quadrilateral is used to describe the shape of a square or rectangle.
这个四边形用来描述正方形或矩形的形状。