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多氯联苯
duō​lǜ​lián​běn

polychlorinated biphenyl

Definitions Defs Origin Strokes Stroke Words Sentences Sents
多氯联苯 多氯聯苯 duō​lǜ​lián​běn
polychlorinated biphenyl
A group of highly stable organic compounds used as industrial insulators and lubricants but known to be toxic environmental pollutants and carcinogens.

Frequency

Written text
0.067 per million

Sources

Frequency data
BCC Corpus (BLCU)