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znečišťování | |
construct. | dilution; contamination; pollution |
prevence : 42 phrases in 10 subjects |
Chemistry | 1 |
Construction | 1 |
Criminal law | 4 |
Economy | 4 |
Environment | 12 |
General | 4 |
Health care | 2 |
Politics | 6 |
Social science | 5 |
United Nations | 3 |