noun🔗Share联苯，二苯 A colourless solid hydrocarbon, C12H10, consisting of two benzene rings linked together by a single bond"Although biphenyls were once widely used in industry for heat transfer fluids, their persistence in the environment raised concerns about potential health risks. "虽然联苯曾经在工业上被广泛用作传热流体，但它们在环境中的持久性引起了人们对潜在健康风险的担忧。compoundsubstancechemistryChat with AIVocabulary GamePractice Reading
noun🔗Share联苯类，二苯类化合物 Any substituted or otherwise altered version of biphenyl, such as PCBs"halogenated biphenyls"卤代联苯类化合物compoundsubstancechemistryenvironmentChat with AIVocabulary GamePractice Reading
