reduce /riˈdju:s/ vt.缩减,减少:reduce speed (pressure, cost) 降低速度(压力,成本)reduce expenses减少开支;reduce one’s weight 减肥

[辨析]decrease

 reduction /riˈdʌkʃən/ n. c & u 1. 减少,缩小: a slight reduction in the price 价格略有下降;grant 10% reduction 同意打九折;arms reduction 裁减军备;a personnel/staff reduction 减员