| 词汇 | carboniferous |
| 释义 | carboniferous/ˌkɑ:bəˈnɪfərəs ||; ˌkɑrbəˈnɪfərəs/adj (in geology 地质学) 1. producing or containing coal 产煤的；含煤的 2. carboniferous of the period in the earth's history when layers of coal were formed underground 石炭纪的 |
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