PCBs (Polychlorinated Biphenyls).
多氯联苯(聚氯化联苯)。
Many Marine species are overfished, and some have high levels of mercury and PCBs.
过度捕捞的很多海洋物种中，有许多含有高浓度的汞和多氯联苯。
Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.
斯蒂门记录有另一种对有毒的多氯联苯和多环芳烃有抵抗作用海岸物种，那是一种鳉鱼。
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