| 释义 |
re·duce /rɪˈdjuːs; -ˈduːs/ vt. | vi.
❶ vt.
1. 减少；缩小；削减；裁减
Evaporation reduced the water in the pond. 池塘里的水经蒸发减少。
This machine can reduce copies of the original page to half size. 这台机器能把复印件缩小到原件的一半尺寸。
reduce the risk of detection 减少被发现的风险
reduce household expenses 削减家用开支
reduce the prices of the goods 削减货价
reduce the personnel (或 staff) of a company 裁减公司人员
The great fire reduced the forest to a few trees. 大火将整座森林烧得只剩下三五株树木。
2. 削减…的价格
3. 减轻；减低；降低
reduce one's weight by 5 pounds 减轻体重5磅
reduce speed on a highway undergoing repairs 在修理中的公路上减低车速
Water reduces the potency of vodka. 水能降低伏特加的浓度。
4. 把…降级；使沦落
reduce an embassy to a liaison office 将大使馆降级为联络处
reduce sb. from corporal to private 把某人从下士降为列兵
be reduced in circumstances 落魄
be reduced to begging in the streets 沦落街头行乞
5. 使(视力、听力等)衰退；使变瘦弱
reduce one's sight (power of hearing) 使视力(听力)衰退
Weeks in an open boat had reduced the surviving crew members to skin and bones. 幸存的船员在无遮蔽的小船上漂流了几个星期后，一个个瘦得皮包骨。
6. 迫使
reduce the rebels to submission 迫使反叛者屈服
The class was reduced to silence (order). 全班学生这才恢复了肃静(秩序)。
The impact of the movie reduced them to tears. 影片的感人力量催他们泪下。
7. 约束，限制
The Indians were reduced to small reservations. 印第安人被限定在一块块狭小的保留地内居住。
8. 捣碎；轧碎，碾碎
reduce pebbles to powder 把一块块小圆石轧碎成粉末
reduce wood to pulp 把木料碾成纸浆
9. 归纳，总括；简化
reduce anomalies to rule 把种种异常现象整理归纳出规律
reduce all the questions to one 把所有的问题归纳为一个
His life's work can be reduced to a search for truth. 他毕生的事业可概括为一句话，那就是探索真理。
His theories have been reduced in a popular treatise. 他的各种理论被总括在一篇通俗的论文中。
reduce a problem to its simplest form 把一个问题概括至最简约形式
10. (通过蒸发作用)使(汤等)浓缩变稠
add the wine and reduce the sauce for two minutes 加葡萄酒使调味汁浓缩两分钟
11. 使稀释；搀水稀释(酒)
reduce paint with turpentine 用松节油稀释油漆
12. 把…写(或印)成文字
reduce oral traditions to writing 把口头流传的传统老话录成文字
13. 换算；【数】约化，简化
reduce dollars to cents 把元换算成分
reduce a fraction to its lowest terms 将分数约到最小(项)
reduce an equation to its simplest form 将方程式化成最简形式
14. 分解(化合物)
reduce a compound to its components 把化合物分解成各组分
15. 【化】使还原；【冶】冶炼
hydrogen used to reduce an oxide to metal 用以使氧化物还原为金属的氢
reduce metals from their ores 从矿石冶炼金属
reduce an ore by heat 加热冶炼矿石
16. 【医】使(断骨)复位，使(脱臼)还臼
have one's shoulder reduced 经人接治使脱臼的肩胛还原
17. 【摄】减薄(底片)
18. 【天】订正(天体观察结果)
19. 【语】使(重读元音)弱化
20. 【生】使(细胞)发生减数分裂
21. 〈古〉攻克，征服
The whole country was reduced after three months. 3个月之后，全国被征服了。
22. 〈古〉使走上正道，挽救
❷ vi.
1. 减少；缩小；减低；降低
2. (节食)减轻体重；减肥
I have to reduce until I've lost ten pounds. 我必须减肥，直到减重10磅为止。
She must reduce to get into that dress. 她必须减肥才能穿上那连衣裙。
3. 换算；折合
4. (液体)浓缩变稠
Soup reduces by boiling. 汤煮沸变稠。
5. (颜料、油漆等)稀释
Poster paints reduce with water. 广告颜料可用水稀释。
6. 复原；【化】还原
Ferrous iron reduces to ferric iron. 二价铁能还原成三价铁。
7. 【生】发生减数分裂
[<L redūcere to bring back<RE- + dūcere to lead¹] |