C 长方形，矩形 a figure with four straight sides forming four right angles
句型例句
He folded his newspaper into a rectangle.他把报纸叠成一个长方形。
We may define a square as a rectangle with four equal sides.我们可以把正方形定义为四边相等的矩形。
The painting consists of four rectangles.这幅画是由四个长方形组成的。
