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uhlík | |||
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uhlík | |||
英语 词库 | |||
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Carboniferous (MichaelBurov); Carb (MichaelBurov) | |||
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A naturally abundant element that occurs in many inorganic and in all organic compounds, exists freely as graphite and diamond. | |||
carb | |||
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Carboniferous (MichaelBurov); Carb (MichaelBurov) |
carbon: 89 短语, 13 学科 |
一般 | 7 |
农业 | 1 |
化学 | 7 |
地球科学 | 3 |
微软 | 1 |
环境 | 42 |
生命科学 | 7 |
生态 | 10 |
税收 | 4 |
经济 | 4 |
财政 | 1 |
运输 | 1 |
食品工业 | 1 |