(~s)
Frequency: The word is one of the 3000 most common words in English.
An ~ is the part of a country’s armed forces that is concerned with fighting in the air.
...the United States Air Force...
N-COUNT
(~s)
Frequency: The word is one of the 3000 most common words in English.
An ~ is the part of a country’s armed forces that is concerned with fighting in the air.
...the United States Air Force...
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012