单词 | polychlorinated biphenyls |
释义 | polychlorinated biphenylspolychlorinated biphenyls (PCBs)toxic organic compounds containing more than one chlorine atom used in the manufacture of plastics and insulators; they are very stable and fat-soluble and accumulate in the food chain.polychlorinated biphenylspolychlorinated biphenyls (PCBs)Highly toxic synthetic chemicals. |
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