单词 | polychlorinated biphenyl |
释义 | polychlorinated biphenylnoun poly·chlo·ri·nat·ed biphenyl ˌpä-lē-ˈklȯr-ə-ˌnā-təd- : any of several compounds that are produced by replacing hydrogen atoms in biphenyl with chlorine, have various industrial applications, and are toxic environmental pollutants which tend to accumulate in animal tissues called also PCB |
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