Heptagon
01
七边形, 七角形
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
例子
My young daughter proudly showed me the colorful heptagon she had cut out for her geometry homework assignment.
我年幼的女儿自豪地向我展示了她为几何作业剪下的彩色七边形。
X-ray crystallography revealed the molecular framework contained multiple rings incorporating pentagons and intersecting heptagons.
X射线晶体学揭示了分子框架包含多个环，这些环结合了五边形和相交的七边形。
