diphenyl
  二苯基; 聯苯; 聯二苯
  di·phe·nyl /(ˈ)daɪˈfɛnḷ, ˈfɪn-/ 名詞
  聯苯,聯二苯
  Di·phe·nyl n.  Chem. A white crystalline substance, C6H5.C6H5, obtained by leading benzene through a heated iron tube. It consists of two benzene or phenyl radicals united.
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