polychlorinated biphenyl

短语

[建] 多氯联苯

发音

US /ˌpoʊliˌklɔrəˌneɪtəd ˈbaɪfənɪl/
UK /ˌpɒlɪˌklɔːrɪneɪtɪd ˈbaɪfənɪl/

词形变化

polychlorinated biphenyls 复数 polychlorinated biphenyls

别名

PCB

释义与例句

n.
  1. 1.

    Any of a class of aromatic organic compounds formed by the chlorination of the hydrocarbon biphenyl; they have many industrial applications but are now considered persistent organic pollutants.

    多氯联苯

    化学