| [/rɪˈdjuːs; US -ˈduːs; rɪˋdus/] v 用法:
1 [Tn, Tn.pr] ~ sth (from sth) (to/by sb) make sth smaller in size, number, degree, price, etc 缩减（体积、 数量、 程度、 价格等）; 减小; 减少; 减低; 降低:
reduce volume, quantity, pressure, speed 缩小体积、 减少数量、 降低压力、 减低速度 *
increase profits by reducing costs 降低成本以增加利润 *
reduce one's weight from 98 to 92 kilos/by 6 kilos 把体重从98公斤减少到92公斤[减少6公斤] *
Antibiotics will reduce the swelling. 使用抗菌素能消肿. *
This shirt was greatly/drastically reduced in the sale. 这种衬衣在大减价时降价很多. 用法:
2 [I] (infml esp US) lose weight intentionally; diet （有意识地）减轻体重; 节食. 用法:
3 [Tn.pr] ~ sb (from sth) to sth make sb lower in rank or status; demote sb 降低某人的级别或地位; 降职:
reduce a sergeant to the ranks, ie make him an ordinary soldier 把一名中士降为士兵 *
The reform has reduced us to servants of the State. 这一改革把我们都降为公务员了. 用法:
4 [Tn.pr] ~ sb/sth (from sth) to sth bring sb/sth into a specified (usu worse) state or condition 使某人[某事物]陷入某种（通常指更坏的）状态或状况中:
be reduced to begging, borrowing 沦落到得要饭、 借债 *
reduce sb to tears, silence, despair, obedience 使某人流泪、 沉默、 绝望、 顺从 *
reduce the chaos in one's office to some form of order 改变办公室的混乱状况, 使之有些条理 *
Overwork has reduced him to a physical wreck. 他过度劳累而损害了健康. *
The fire reduced the house to ashes. 这场火灾把那所房子化为灰烬. 用法:
5 [Tn.pr] ~ sth to sth change sth to a more general or basic form 将 某事物概括或简化成某种形式:
reduce an equation, argument, issue to its simplest form 把某方程式、 论据、 问题化为最简单形式 *
reduce a problem to two main issues 把某问题归纳成两个要点. 用法:
6 [Tn, Tn.pr] ~ sth (to sth) (chemistry 化) remove oxygen from or add hydrogen or electrons to (a compound) 将（化合物）还原:
reduce water (ie to hydrogen) by electrolysis 用电解法把水还原（为氢） *
reduce a compound to its constituentelements 将一化合物还原为构成该化合物的元素. Cf 参看 oxidize (oxide). |