добавление angolul

add-on [add-ons]▼(something which can be appended to something else)
noun

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

affix [affixes]▼(that which is affixed)
noun
[UK: ə.ˈfɪks] [US: ˈæ.fɪks]

refill [refills]▼(a filling after the first)
noun
[UK: ˌriː.ˈfɪl] [US: ri.ˈfɪl]