reduce

更新时间:2026-07-01 11:25:55   栏目: 英语词典

"Reduce" 是英语中高频使用的动词,核心含义为"减少、降低或使某物变小",其词源可追溯至拉丁语 "reducere"(re- "向后" + ducere "引导"),字面意为"拉回",引申为通过主动干预使数量、程度或状态降低。英式发音为 /rɪˈdjuːs/,美式发音为 /rɪˈduːs/,过去式和过去分词均为 "reduced",现在分词为 "reducing"。

核心释义与用法场景

基础含义:减少数量/程度
表示主动采取措施降低某物的大小、数量或强度,是日常和学术场景中的通用词。

经济领域:Costs have been reduced by 20% over the past year.(过去一年成本降低了20%)

健康领域:Giving up smoking reduces the risk of heart disease.(戒烟可降低心脏病风险)

环保领域:We must reduce plastic waste to protect marine life.(必须减少塑料垃圾以保护海洋生物)

特殊含义:使陷入某种状态
用于描述被迫进入不理想的境地,常与介词 "to" 搭配,后接抽象名词或动词原形。

经济困境:They were reduced to begging in the streets.(他们沦落到沿街乞讨)

情绪崩溃:The media's attention reduced her to tears.(媒体的关注使她泪流满面)

状态退化:The ancient temple was reduced to rubble after the war.(这座古庙战后沦为一片瓦砾)

专业场景:化学/烹饪中的"还原"与"浓缩"

化学还原:Copper oxide can be reduced to copper by hydrogen.(氧化铜可被氢气还原为铜)

烹饪收汁:Boil the sauce until it reduces to half its volume.(煮酱汁直至浓缩一半)

常见搭配与同义词辨析

高频短语

reduce...by + 百分比:表示"减少了某比例",如 "Sales reduced by 15% in Q3"(第三季度销售额下降15%)

reduce...to + 具体数值:表示"减少到某水平",如 "The temperature reduced to 5°C overnight"(夜间温度降至5℃)

reduce stress/pressure:缓解压力,如 "Yoga helps reduce mental stress"(瑜伽有助于减轻精神压力)

与近义词的区别

 

单词 核心差异 例句对比
reduce 强调人为主动干预,适用范围最广(数量、程度、状态) The government reduced taxes.(政府主动减税)
decrease 侧重自然或客观减少,可作名词 The population decreased by 2%.(人口自然减少2%)
slash 强调大幅、突然削减,带有冲击力 The company slashed 500 jobs.(公司突然裁员500人)

 

实用例句与写作模板

环保主题:To combat climate change, we must reduce carbon emissions by 45% before 2030.(为应对气候变化,我们必须在2030年前将碳排放减少45%)

健康建议:Regular exercise and a balanced diet can help reduce the risk of diabetes.(规律运动和均衡饮食有助于降低糖尿病风险)

经济分析:Raising interest rates may reduce inflation but could slow economic growth.(加息可能降低通胀,但会减缓经济增长)

从控制开支到拯救地球,"reduce" 始终是表达"主动改变"的核心词汇。下次使用时,不妨思考:是在描述具体数值的减少,还是抽象状态的转变?精准选择搭配,能让表达更地道。你还能想到哪些用 "reduce" 的场景?比如在学习中如何 "reduce distractions"(减少干扰)?