单词	nonagon
释义	nonagon noun no·​na·​gon ˈnō-nə-ˌgän  : a polygon of nine angles and nine sides Example Sentences Recent Examples on the Web The cylindrical core is a dull metallic silver with several irregular nonagon fuel assemblies arranged in its center. Daniel Oberhaus, Wired, 15 May 2020 Word History Etymology Latin nonus ninth + English -gon — more at noon First Known Use circa 1639, in the meaning defined above
随便看	sidelined skullcap speedwell skullcaps skullduggeries skullduggery skulled skullfish skullguard skulling skulls skulls and crossbones skun skunk skunk bear skunk bird skunk blackbird skunk cabbage skunk currant skunk grass skunk porpoise skunk spruce skunk turtle Skunk Works skunkbill skunkbirds

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