| 释义 |
Related topics: Shapes, patterns, Mathshep·ta·gon /ˈheptəɡən $ -ɡɑːn/ noun [countable] CFa shape with seven straight sides 七边形，七角形 → polygon —heptagonal /hepˈtæɡənəl/ adjectiveOrigin heptagon (1500-1600) Greek heptagonos, from hepta “seven” + gonia “angle”hep·ta·gon nounChineseSyllable |