eindexethyne./eth-ahyn, e-thahyn/US // ˈɛθ aɪn, ɛˈθaɪn //UK // (ˈiːθaɪn, ˈɛθaɪn) //乙烯,乙炔,乙烯树脂,乙烯基Definitionsn.noun · 名词1. Chemistry.›acetylene. Level 5More words in e →