单词	undecagon
释义	undecagon noun un·​dec·​a·​gon ˌənˈdekəˌgän plural -s : a plane figure having eleven angles and eleven sides Word History Etymology undec- + -agon (as in decagon)
随便看	knub knubbier knubbiest knubbly knubby knubs knuckle knuckle boy knuckle down knuckle down (to) knuckle down to knuckle joint knuckle line knuckle man knuckle pin knuckle post knuckle press knuckle sandwich knuckle under knuckle under (to) knuckle under to knuckle-dust knuckle-duster knuckle-joint press knuckle-kneed

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