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	lesleya lesleyite lesotho lespedeza lespedeza lesquerella -less less less less and less lesse lessee lessen lessening Lesser lesser lesser lesser adjutant lesser alcaic lesser archilochian lesser asclepiad lesser bindweed lesser black-backed gull lesser broomrape lesser bulb fly

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