官能团 /guānnéngtuán/ angolul

functional group [functional groups]▼(characteristic grouping of elements)
noun
[UK: ˈfʌŋk.ʃn̩əl ɡruːp] [US: ˈfʌŋk.ʃn̩əl ˈɡruːp]

moiety [moieties]▼(specific segment of a molecule)
noun
[UK: ˈmɔɪə.ti] [US: ˈmɔɪə.ti]