With the possible exception of the US, no other nation experienced a more severe depression.可能除了美国之外,其他国家没有经历过更加严重的萧条。He plunged into a severe depression.他突然陷入严重的抑郁。The stock market crash marked the start of a severe depression.股市大跌标志着大萧条的开始。She's suffering from severe depression.她患有严重的抑郁症。My father had suffered from severe depression for many years.我父亲患有严重的抑郁症已多年了。