乙烯 /yǐxī/ angolul

ethylene▼(compound)
noun
[UK: ˈe.θɪ.liːn] [US: ˈe.θə.ˌlin]

vinyl [vinyls]▼(substance)
noun
[UK: ˈvaɪ.nɪl] [US: ˈvaɪ.nəl]