butilén w języku angielskim

butylene▼◼◼◼noun
[UK: bjˈuːtɪlˌiːn] [US: bjˈuːɾɪlˌiːn]

butene [butenes]▼◼◼◻noun
[UK: bjˈuːtiːn] [US: bjˈuːtiːn]