“多角形”用英语怎么说？

多角形的边界可以延伸到无穷远处.Boundaries of the polygon may extend to infinity.颗粒呈简单的多角形.The grains take on simple polygonal.这些名建筑是以圆形和多角形为基础而设计建造.These famous buildings are based on circles and polygons....

“多角形”的拼音为：duō jiǎo xíng...