单词	generatrix
释义	generatrix noun gen·​er·​a·​trix ˌje-nə-ˈrā-triks  plural generatrices ˌje-nə-ˈrā-trə-ˌsēz  ˌje-nə-rə-ˈtrī-(ˌ)sēz : a point, line, or surface whose motion generates a line, surface, or solid Word History First Known Use 1840, in the meaning defined above
随便看	pfeffernuss pfennig pfennige pfennigs pfg PFI pfit Pfitzer's juniper PFLAG pfleiderer pfleidering machine Pforzheim pfte pfx pg PG-13 PGA pgn PGT pH pH meter ph.d. ph.d.s pha pha-ad

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