Insulin is a substance that most people produce naturally in their body and which controls the level of sugar in their blood.
In diabetes the body produces insufficient ~.
N-UNCOUNT
Insulin is a substance that most people produce naturally in their body and which controls the level of sugar in their blood.
In diabetes the body produces insufficient ~.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012