Read Edit View history 环烷烃 huánwántīng cycloalkane Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 环烷烃/環烷烴 · huánwántīng · cycloalkane 2026/03/04 环烷烃 / 環烷烴 huánwántīng cycloalkane cycloalkane 环烷烃是石油的主要成分之一。 noun created sense Mar 4, 2026, 02:25 AM