环氧乙烷 Traditional 環氧乙烷 huán yǎng yǐ wán 🔊 ethylene oxide + Keep this word Meanings huán yǎng yǐ wán 環氧乙烷 ethylene oxide Its characters 环huánringHSK 6氧yǎngoxygen (chemistry)乙yǐsecond of the ten Heavenly Stems…HSK 5烷wánalkane