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frontier ['frʌntɪə] n
econ. hranice
law, immigr. státní hranice
 English thesaurus
frontier ['frʌntɪə] n
mil., abbr. fron
frontier
: 32 phrases in 9 subjects
Commerce6
Communications2
Customs2
Economy5
General7
Geography1
Immigration and citizenship2
Law1
Obsolete / dated6