(~s)
An ~ is someone whose job is to organize the routes that aircraft should follow, and to tell pilots by radio which routes they should take.
N-COUNT
(~s)
An ~ is someone whose job is to organize the routes that aircraft should follow, and to tell pilots by radio which routes they should take.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012