Read Edit View history 二迭纪 èrdiéjì Permian Origin Definitions Defs Strokes Stroke Words Sentences Sents 二迭纪 (二迭紀) èrdiéjì Permian time word Permian (geological period 292-250m years ago) Cross-References Same as 二叠纪 Sources Definitions CC-CEDICT
二迭纪 (二迭紀) èrdiéjì Permian time word Permian (geological period 292-250m years ago) Cross-References Same as 二叠纪 Sources Definitions CC-CEDICT