 |
| |||
| безуглекислотный (igisheva) | |||
| carbon dioxide-free: 11 phrases in 6 subjects |
| Chemistry | 5 |
| Ecology | 2 |
| Electronics | 1 |
| Solar power | 1 |
| Water resources | 1 |
| Water supply | 1 |
|
| |||
| безуглекислотный (igisheva) | |||
| carbon dioxide-free: 11 phrases in 6 subjects |
| Chemistry | 5 |
| Ecology | 2 |
| Electronics | 1 |
| Solar power | 1 |
| Water resources | 1 |
| Water supply | 1 |