乙烷 yǐ wán 🔊 ethane (C2H6) + Review this word Meanings yǐ wán ethane (C2H6) Its characters 乙yǐsecond of the ten Heavenly Stems…HSK 5烷wánalkane Words with 乙烷 环氧乙烷 huán yǎng yǐ wán ethylene oxide