 |
| |||
| загрязнение окружающей среды | |||
| environment contamination: 12 phrases in 9 subjects |
| Astronautics | 3 |
| Diplomacy | 1 |
| Energy industry | 1 |
| Geography | 1 |
| Medical | 1 |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Politics | 1 |
|
| |||
| загрязнение окружающей среды | |||
| environment contamination: 12 phrases in 9 subjects |
| Astronautics | 3 |
| Diplomacy | 1 |
| Energy industry | 1 |
| Geography | 1 |
| Medical | 1 |
| Military | 2 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Politics | 1 |