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river pollution The direct or indirect human alteration of the biological, physical, chemical or radiological integrity of river water, or a river ecosystem (人们直接或间接的改变河水或者河的生态系统的生物、物理、化学或放射性的完整性。) | |||
stream pollution; river pollution; pollution of river | |||
pollution of stream; potamic pollution; river contamination |
河流污染 : 49 phrases in 4 subjects |
Bridge construction | 1 |
Ecology | 2 |
Technology | 42 |
Water resources | 4 |