名词
中文翻译：双相
同义词：
['bipolar disorder', 'manic-depressive disorder']
例句：
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1. Shewas diagnosed with bipolar disorder and has been under treatment for several years.
她被诊断出患有双相情感障碍，并已经接受了几年的治疗。
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2. Manic-depressive disorder is a mental illness characterized by periods of extreme happiness and depression.
双相情感障碍是一种精神疾病，表现为极度快乐和抑郁的交替发作。
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3.The patient's condition worsened during the manic phase and improved during the depressive phase.
患者的病情在躁狂期恶化，在抑郁期有所好转。