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eighteenth означает в русский

АнглийскийРусский
eighteenth (one of eighteen equal parts of a whole)
noun
[UK: ˌeɪ.ˈtiːnθ]
[US: e.ˈtiːnθ]

восемнадцатаяnoun

eighteenth (the ordinal form of the number eighteen, see also: 18th)
adjective
[UK: ˌeɪ.ˈtiːnθ]
[US: e.ˈtiːnθ]

восемнадцатыйadjective