苯環 běnhuán benzene ring Origin Definitions Defs Strokes Stroke Words Sentences Sents 苯 běn benzene A colorless, aromatic, flammable liquid chemical derived from coal and petroleum; used as a solvent, fuel, and in manufacturing synthetic resins and pesticides.环 環 huán noun ring (bound form) any ring-shaped object; a hoop, loop, or chain link