共きょう役やく二に重じゅう結けつ合ごうきょうやくにじゅうけつごうじ字FuriganaMeanings1nounconjugated double bondChemistry term referring to alternating single and double bonds in a molecule, allowing electron delocalization.共きょう役やく二に重じゅう結けつ合ごうを持もつ分ぶん子しは、紫し外がい線せんを吸きゅう収