(~s)
A ~ is a long, thick piece of steel or iron that is used in the framework of buildings and bridges.
N-COUNT
(~s)
A ~ is a long, thick piece of steel or iron that is used in the framework of buildings and bridges.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012