单词	heptagon
释义	hep·ta·gon \ˈheptəˌgän sometimes -tə̇gən\ noun (-s) Etymology: Greek heptagōnos heptagonal, from hepta seven + -gōnos (from gōnia corner, angle) — more at -gon : a plane polygon having seven angles and therefore seven sides
随便看	sabian sabianism sabicu sabicu sabicu wood sabin sabina sabinane sabine sabine Sabine sabinene Sabine pine sabine pine sabine's sabine's gull sabino sabir sabkha sable sable sable antelope sablefish sableness sable's

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