(~s)
If you have a ~, you have a bad back because one of the discs in your spine has moved out of its proper position.
N-COUNT
(~s)
If you have a ~, you have a bad back because one of the discs in your spine has moved out of its proper position.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012