Seasonal affective disorder is a feeling of tiredness and sadness that some people have during the autumn and winter when there is very little sunshine. The abbreviation SAD is often used.
N-UNCOUNT
Seasonal affective disorder is a feeling of tiredness and sadness that some people have during the autumn and winter when there is very little sunshine. The abbreviation SAD is often used.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012