seasonal affective disorder
noun /ˌsiːzənl əˈfektɪv dɪsɔːdə(r)/
/ˌsiːzənl əˈfektɪv dɪsɔːrdər/
[uncountable] (abbreviation SAD)
- a medical condition in which a person feels sad and tired during late autumn and winter when there is not much light from the sun
Topics Illnessc2季节性情感障碍(秋冬两季因白昼缩短而易发作的抑郁症)