 |
natural carbon
| sink
| natural carbon | |
| tech. | 天然炭 |
| sink | |
| construct. | 污水渗坑 |
| econ. | 跌落 ，沉没， 投资 |
| forestr. | 碳汇 |
| hydroel.st. | 沉陷 |
| interntl.trade. | 偿债 |
| met. | 沉落; 下降 |
| roll. | 减径 |
| |||
| 天然炭 | |||
| natural carbon: 5 phrases in 4 subjects |
| Bioenergy | 1 |
| Commerce | 1 |
| Electronics | 1 |
| Technology | 2 |