英和和英

serious contamination

the state of being contaminated

rid of contamination

environmental pollution

transboundary pollution

the pollution problem

pollution of the atmosphere

a substance that contaminates

desorption of contaminants

the removal of contaminants

state of being contaminated with dust

rendered unwholesome by contaminants and pollution

atmospheric pollution

the act of contaminating or polluting

a state characterized by foul or disgusting dirt and refuse

of air, the condition of being polluted

had to boil the contaminated water

pollution named environmental pollution

spreading pollution or contamination

The pollution is endangering the crops

an infected area

unpolluted streams

contaminated by mercury

pollution resulting from an industrial plant discharging pollutants into the atmosphere

exhaust fumes named smog

There is also the danger of contaminating equipment.

nonspecifically staining substances

completely free from dirt or contamination

Infect the area with cholera.

decrease pollution