The ~ of a seriously ill person are the things such as their blood pressure and temperature which show that they are alive.
N-PLURAL
The ~ of a seriously ill person are the things such as their blood pressure and temperature which show that they are alive.
N-PLURAL
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012