英语
德语
affective 形
sea·son·al af·fec·tive dis·ˈor·der 名词, SAD 名词 no pl 心理
单语范例（未经PONS编辑处理）
Intuitively, this makes sense given the existence of seasonal affective disorder and the tendency to associate depression with winter.
en.wikipedia.org When the course of depressive episodes follows a seasonal pattern, the disorder (major depressive disorder, bipolar disorder, etc.) may be described as a seasonal affective disorder.
en.wikipedia.org Bright light particularly helps with seasonal affective disorder, which is a form of depression which tends to come on in winter months.
www.crikey.com.au Overcast weather can also affect people suffering from seasonal affective disorder.
en.wikipedia.org While unlikely to be harmful, they're not considered to be an effective treatment for seasonal affective disorder.
o.canada.com