Read Edit View history 环戊烯 huánwùxī cyclopentene Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 环戊烯/環戊烯 · huánwùxī · cyclopentene 2026/03/04 环戊烯 / 環戊烯 huánwùxī cyclopentene cyclopentene C5H8 (ring of five carbon atoms) 环戊烯是一种重要的化工中间体。 noun created sense Mar 4, 2026, 02:25 AM