Carboniferous
/ˌkɑːbəˈnɪfəɹəs/ 形容词 C2中文： 石炭纪的、含碳的
- Of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down.
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