单词	pentahedron
释义	pentahedron noun pen·​ta·​he·​dron ˌpen-tə-ˈhē-drən  : a solid bounded by five faces pentahedral ˌpen-tə-ˈhē-drəl  adjective Word History Etymology New Latin First Known Use 1590, in the meaning defined above
随便看	activized activizes activizing actomyosin actomyosins Acton actons actor actor-proof actorish actorly actors actory actress actresses actressy acts Acts acts (toward) acts of adjournal acts on acts out acts toward acts up acts upon

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