Senile dementia is a mental illness that affects some old people and that causes them to become confused and to forget things.
She is suffering from ~.
N-UNCOUNT
Senile dementia is a mental illness that affects some old people and that causes them to become confused and to forget things.
She is suffering from ~.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012