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石炭纪
Shítànjì
Carboniferous (geological period 354-292m years ago)
石炭纪
Shítàn Jì
  1. (geology) the Carboniferous period (part of the Paleozoic era, spanning from 358.9 to 298.9 million years ago)
  2. the Carboniferous period (part of the Paleozoic era, spanning from 358.9 to 298.9 million years ago)
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