单词	pentacyclic
释义	pentacyclic adjective pen·​ta·​cyclic ¦pentə+ : containing five usually fused rings in the molecular structure Word History Etymology penta- + cyclic
随便看	perfectum perfervid perfervidnesses perficient perfide Albion perfidies perfidious perfidiously perfidiousness perfidiousnesses perfidy perfilograph perfins perfit perflate perflatile perflation perfluent perfluor- perfluorinate perfluoro- perfluorocarbon perfoliate perfoliations perforable

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