bu·tyl /ˈbjutḷ/ 丁基,丁基合成橡膠
bu·tyl /ˈbjutḷ/ 名詞 丁基
Bu·tyl n. Chem. A compound radical, regarded as butane, less one atom of hydrogen. ◄ ►
butyl n : a hydrocarbon radical (C4H9)