de·pres·sion/dɪ`prɛʃən; dɪˈpreʃən/ n [C,U] 1 a feeling of sadness and a loss of hope, or a mental illness that makes you have this feeling 忧伤，沮丧，消沉; 抑郁症: The patient is suffering from depression. 该病人患有抑郁症。 2 a long period when there is not a lot of business activity （经济）大萧条，（经济）萧条期: the Depression of the 1930s 20 世纪 30 年代的经济大萧条