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	radder raddest radding raddle raddled raddleman raddlemen raddles raddling rade raden Radetzky radi- radiac radial radial arm radial bearing radial brick radial canal radial cleavage radial drill radial engine radial gate radial head radial ker

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