(~s)
1.
A ~ is a thin piece of cardboard in which you can keep loose papers.
N-COUNT
2.
A ~ is a group of files that are stored together on a computer.
N-COUNT
(~s)
1.
A ~ is a thin piece of cardboard in which you can keep loose papers.
N-COUNT
2.
A ~ is a group of files that are stored together on a computer.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012