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| earth black; black earth | |||
| 土黑色: 50 phrases in 8 subjects |
| Agriculture | 26 |
| Desert science | 8 |
| Earth sciences | 2 |
| Engineering geology | 1 |
| General | 2 |
| Geology | 1 |
| Soil science | 2 |
| Technology | 8 |
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