名词 depression:- a mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity
- a long-term economic state characterized by unemployment and low prices and low levels of trade and investment
- a sunken or depressed geological formation
- sad feelings of gloom and inadequacy
- a period during the 1930s when there was a worldwide economic depression and mass unemployment
- an air mass of lower pressure; often brings precipitation
- a state of depression and anhedonia so severe as to require clinical intervention
- a concavity in a surface produced by pressing
- angular distance below the horizon (especially of a celestial object)
- pushing down
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