a mental disorder characterized by episodes of mania and depression
例句
用作名词 (n.)
That suggests the variant promotes susceptibility to bipolar disorder. 这就说明正是这种变体诱发了躁郁症。
We also discovered he was a sick man who suffered through many years of undetected and untreated bipolar disorder. 我们还发现，他是个病人，多年来一直患有躁郁症，但没人注意到，也没人给他治疗。
美
