| 词汇 | carboniferous |
| 释义 | car·bon·ifer·ousBrE /ˌkɑːbəˈnɪfərəs/ NAmE /ˌkɑːrbəˈnɪfərəs/ adjective (geology地质学) producing or containing coal 产煤的；含煤（或碳）的Carboniferous of the period in the earth's history when layers of coal were formed underground 石炭纪的 |
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