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| carbon-dioxide | |||
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| carbonic | |||
| 二氧化碳 的: 22 phrases in 11 subjects |
| Animal husbandry | 1 |
| Automobiles | 2 |
| Biochemistry | 1 |
| Commerce | 1 |
| Ecology | 1 |
| Engineering geology | 1 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 6 |
| General | 4 |
| Technology | 3 |
| United Nations | 1 |
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