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| coal The natural, rocklike, brown to black derivative of forest-type plant material, usually accumulated in peat beds and progressively compressed and indurated until it is finally altered in to graphite-like material | |||
| coal | |||
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anglys : 117 短语, 17 学科 |
| 一般 | 1 |
| 会计 | 1 |
| 农业 | 3 |
| 化学 | 10 |
| 医疗的 | 2 |
| 地球科学 | 4 |
| 欧洲联盟 | 2 |
| 环境 | 52 |
| 生命科学 | 5 |
| 生态 | 14 |
| 税收 | 3 |
| 经济 | 10 |
| 能源行业 | 2 |
| 财政 | 1 |
| 过时/过时 | 4 |
| 运输 | 2 |
| 食品工业 | 1 |