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
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
late Middle English: from Latin depressio(n-), from deprimere 'press down'(see depress)