Read Edit View history 石炭紀 shítànjì Carboniferous Period Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 石炭纪/ 石炭紀 shítànjì Carboniferous Period The fifth period of the Paleozoic Era, characterized by vast swamps and the formation of major coal deposits. Edit Delete References Add reference No references for this word.
石炭纪/ 石炭紀 shítànjì Carboniferous Period The fifth period of the Paleozoic Era, characterized by vast swamps and the formation of major coal deposits. Edit Delete