 |
| |||
| pollutants into the atmosphere (Yeldar Azanbayev) | |||
| загрязняющие вещества в атмосферный воздух: 5 phrases in 3 subjects |
| Ecology | 2 |
| General | 2 |
| Weapons of mass destruction | 1 |
|
| |||
| pollutants into the atmosphere (Yeldar Azanbayev) | |||
| загрязняющие вещества в атмосферный воздух: 5 phrases in 3 subjects |
| Ecology | 2 |
| General | 2 |
| Weapons of mass destruction | 1 |