Read Edit View history 多氯联苯 duōlǜliánběn polychlorinated biphenyl Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 多氯联苯/多氯聯苯 · duōlǜliánběn · polychlorinated biphenyl 2026/03/04 多氯联苯 / 多氯聯苯 duōlǜliánběn polychlorinated biphenyl polychlorinated biphenyl (PCB) 这种工业废水中含有高浓度的多氯联苯。 created sense Mar 4, 2026, 02:25 AM