добавка angolul

addition [additions]▼(thing added)
noun
[UK: ə.ˈdɪʃ.n̩] [US: ə.ˈdɪʃ.n̩]

additive [additives]▼(substance added to another substance to produce certain properties)
noun
[UK: ˈæ.də.tɪv] [US: ˈæ.də.tɪv]

complement [complements]▼(something which complements)
noun
[UK: ˈkɒm.plɪ.mənt] [US: ˈkɑːm.plə.mənt]