PCB

n.（名詞）
Any of a family of industrial compounds produced by chlorination of biphenyl, noted primarily as an environmental pollutant that accumulates in animal tissue with resultant pathogenic and teratogenic effects.
聚氯聯(lián)二苯：一種工業(yè)化合物，由二苯經(jīng)氯化作用而產(chǎn)生，被認(rèn)為是一種環(huán)境污染物質(zhì)，積聚在動物組織中，能導(dǎo)致病原體和產(chǎn)生畸形生長

來源：
p(oly)c(hlorinated) b(iphenyl)
p(oly)c(hlorinated) b(iphenyl)