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	civic-minded civic-mindedness civically civiccer civiccest civicer civicest civicism civicisms civicize civics civie civies civil civil action civil affairs civil airway civil architecture civil authority clause civil bond civil corporation civil court civil courts civil day civil death

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