 |
| polluted air: 13 phrases in 7 subjects |
| General | 1 |
| Makarov | 5 |
| Natural resourses and wildlife conservation | 1 |
| Slang | 1 |
| Technology | 1 |
| Transport | 1 |
| Weapons of mass destruction | 3 |
|
| polluted air: 13 phrases in 7 subjects |
| General | 1 |
| Makarov | 5 |
| Natural resourses and wildlife conservation | 1 |
| Slang | 1 |
| Technology | 1 |
| Transport | 1 |
| Weapons of mass destruction | 3 |