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Contamination
02
污染
the state of being contaminated
03
污染
a substance that contaminates
contamination
n
contaminate
v
contamin
v
decontamination
n
decontamination
n
例子
The presence of fecal contamination in water sources can pose health risks to humans.
The Petri dish was sterilized before use to prevent contamination of the experiment.
To prevent the risk of contamination, the technician needed to exhaust the old refrigerant from the air conditioning system.