depression

depression
noun
[mass noun]
  1. severe despondency and dejection, typically felt over a period of time and accompanied by feelings of hopelessness and inadequacy
    沮丧,抑郁
    ■(Medicine)a condition of mental disturbance characterized by such feelings to a greater degree than seems warranted by the external circumstances, typically with lack of energy and difficulty in maintaining concentration or interest in life
    (医)抑郁症
    clinical depression.
    临床抑郁症。
    ■a long and severe recession in an economy or market
    萧条
    the depression in the housing market.
    房产市场的萧条。
    ■(the Depression 或 the Great Depression)the financial and industrial slump of 1929 and subsequent years
    (1929年及随后几年的)大萧条
  2. the lowering or reducing of something
    降低,减少
    the depression of prices.
    降低价格。
    ■the action of lowering something or pressing something down
    按下,推压
    depression of the plunger delivers two units of insulin.
    推压注射器柱塞注入两个单位的胰岛素。
    ■[count noun]a sunken place or hollow on a surface
    凹面,低凹处
    the original shallow depressions were slowly converted to creeks.
    原来的浅浅的低凹处慢慢变成了小溪。
    ■(Astronomy & Geography)the angular distance of an object below the horizon or a horizontal plane
    (天文,地理)俯角,俯视角
    ■[count noun](Meteorology)a region of lower atmospheric pressure, especially a cyclonic weather system
    (气象)低气压区(尤指旋风系统)
语源
  1. late Middle English: from Latin depressio(n-), from deprimere 'press down'(see depress)
英语宝典
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