Read Edit View history 乙烷 yǐwán ethane Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乙烷 · yǐwán · ethane 2026/03/04 乙烷 yǐwán ethane ethane (C2H6) 乙烷是一种无色无味的气体。 noun created sense Mar 4, 2026, 02:25 AM