pindexphenylbenzene./fen-l-ben-zeen, -ben-zeen, feen-/US // ˌfɛn lˈbɛn zin, -bɛnˈzin, ˌfin- //苯苯,苯基苯,苯苯类Definitionsn.noun · 名词1. Chemistry.›biphenyl. Level 5More words in p →