英和和英

of water quality, the condition of being contaminated by human action

water quality

pollution of the atmosphere

a watery substance

serious contamination

environmental pollution

a condition of underground water being polluted

pollution named environmental pollution

a substance that contaminates

Cleaning Up Polluted Waters With Microorganisms

the pollution problem

of air, the condition of being polluted

an abused substance

had to boil the contaminated water

desorption of contaminants

transboundary pollution

contaminated by mercury

the scummy surface of the polluted pond

a mucoid substance

a volatile substance

atmospheric pollution

rid of contamination

the state of being contaminated

unpolluted streams

the removal of contaminants

a state of a remote body of water of being contaminated

a capacity called the {acceptable environmental limit}

environmental destruction [pollution]

The pollution is endangering the crops

pollute the air [the environment]