HomeDictionary环氧乙烷环氧乙烷Wordethylene oxideTraditional環氧乙烷Copy wordhuán yǎng yǐ wánhuan2yang3yi3wan2Hear itMeaningethylene oxide CC-CEDICTCharacters in 环氧乙烷环huán氧yǎng乙yǐ烷wán