单词 | polychlorinated biphenyl |
释义 | polychlorinated biphenyl(abbreviation PCB) noun Chemistry Any of a class of toxic aromatic compounds, often formed as waste in industrial processes, whose molecules contain two benzene rings in which hydrogen atoms have been replaced by chlorine atoms.Although trained as a veterinarian, Miyata cut his teeth as an environmental scientist researching another toxic chemical, polychlorinated biphenyl, at the Osaka Prefecture Institute of Public Health....
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