 |
| |||
| water pollution (igisheva) | |||
| water contamination | |||
| |||
| water body pollution | |||
| загрязнение водных объектов: 4 phrases in 2 subjects |
| Ecology | 2 |
| Water supply | 2 |
|
| |||
| water pollution (igisheva) | |||
| water contamination | |||
| |||
| water body pollution | |||
| загрязнение водных объектов: 4 phrases in 2 subjects |
| Ecology | 2 |
| Water supply | 2 |