Something that is ~ is present everywhere or seems to be always present. (FORMAL)
The sound of sirens was an ~ background noise in New York...
ADJ
Something that is ~ is present everywhere or seems to be always present. (FORMAL)
The sound of sirens was an ~ background noise in New York...
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012