他接受了多年治疗来控制自己的躁郁症状。

He's been undergoing treatment for years to manage his ___manic-depressive condition.

她的情绪躁郁不定，几小时内就能从极度喜悦转为深度悲伤。

Her mood is ___manic-depressive, swinging from extreme joy to deep sadness within hours.