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| fossil | |||
| petrification | |||
| fossil Any remains, trace, or imprint of a plant or animal that has been preserved in the Earth's crust since some past geologic or prehistoric time | |||
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fossile : 126 短语, 24 学科 |
| 一般 | 3 |
| 农业 | 2 |
| 冶金 | 23 |
| 包装 | 2 |
| 化学 | 16 |
| 医疗的 | 2 |
| 卫生保健 | 3 |
| 地球科学 | 7 |
| 技术 | 1 |
| 林业 | 2 |
| 煤炭 | 16 |
| 环境 | 3 |
| 生命科学 | 8 |
| 生态 | 2 |
| 生物能源 | 3 |
| 电子产品 | 1 |
| 税收 | 1 |
| 经济 | 1 |
| 统计数据 | 1 |
| 能源行业 | 18 |
| 自然科学 | 2 |
| 行业 | 5 |
| 财政 | 3 |
| 食品服务和餐饮 | 1 |