n.联（二）苯；联苯基

Biphenyl is commonly used as a solvent in the chemical industry.
双苯经常被用作化工行业中的溶剂。
The compound biphenyl has a distinct odor that can be detected at low concentrations.
双苯化合物有独特的气味，在低浓度下就能闻到。
Environmentalists have raised concerns about the presence of biphenyl in waterways due to its potential toxicity.
环保主义者对水道中双苯的存在表示担忧，因为它可能具有毒性。
The researchers synthesized biphenyl derivatives for their study on electronic properties of materials.
研究人员为了研究材料的电学性质，合成了双苯衍生物。
In the process of PCB production, biphenyl serves as a precursor compound.
在生产多氯联苯（PCB）的过程中，双苯是起始化合物。
The biphenyl molecule consists of two benzene rings linked together by a single carbon atom.
双苯分子由两个苯环通过一个碳原子相连。
The disposal of old electronic devices containing biphenyl can lead to environmental pollution.
废弃含有双苯的旧电子产品可能导致环境污染。
Biphenyl is a common impurity found in some crude oils, which can affect refining processes.
双苯是某些原油中的常见杂质，可能影响精炼过程。
Scientists have developed methods to remove biphenyl from contaminated soil, improving environmental remediation efforts.
科学家们已经开发出从受污染土壤中去除双苯的方法，以改善环境修复工作。
The presence of biphenyl in drinking water has been linked to certain health issues, such as hormonal imbalances.
饮用水中双苯的存在与某些健康问题有关，如内分泌失调。