( no-fly zones)
A no-fly zone is an area of sky where military and other aircraft are not allowed to fly, especially because of a war.
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( no-fly zones)
A no-fly zone is an area of sky where military and other aircraft are not allowed to fly, especially because of a war.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006