reduce
- v.减少;使还原;缩小(尺寸、数量、价格等);(使)蒸发;减轻体重;节食
过去式： reduced 现在分词： reducing 过去分词： reduced 第三人称单数： reduces
re- 再,又 + duc 引导 + -e
reduceverb
减少，缩小（尺寸、数量、价格等）
to make sth less or smaller in size, quantity, price, etc.
Reduce speed now (= on a sign) .
减速行驶。
Costs have been reduced by 20% over the past year.
过去一年，各项费用已经减少了20%。
Giving up smoking reduces the risk of heart disease.
戒烟会减少得心脏病的风险。
The number of employees was reduced from 40 to 25.
雇员人数从40人减少到了25人。
The skirt was reduced to £10 in the sale.
在大减价期间，这条裙子减价到10英镑。
（使）蒸发
if you reduce a liquid or a liquid reduces , you boil it so that it becomes less in quantity
减轻体重；节食
to lose weight by limiting the amount and type of food that you eat
a reducing plan
节食计划
使还原
to add one or more electrons to a substance or to remove oxygen from a substance
the state of being poorer than you were before. People say living in reduced circumstances to avoid saying poor .
使陷入（更坏的）境地；使沦落；使陷入窘境
to force sb/sth into a particular state or condition, usually a worse one
a beautiful building reduced to rubble
已化为残垣断壁的漂亮建筑
She was reduced to tears by their criticisms.
他们的批评使她流下了眼泪。
They were reduced to begging in the streets.
他们沦落到沿街乞讨。
将…概括成（或简化为）
to change sth to a more general or more simple form
We can reduce the problem to two main issues.
我们可以将这个问题概括成两个要点。
reduce
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1
VERB 减少；减小；减轻
If you reduce something, you make it smaller in size or amount, or less in degree.It reduces the risks of heart disease...
这降低了患心脏病的风险。
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2
VERB 使沦为，使陷入（不好的境地）
If someone is reduced to a weaker or inferior state, they become weaker or inferior as a result of something that happens to them.They were reduced to extreme poverty...
他们陷入极端贫困的状态。
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3
VERB 迫使;使不得不（做）；使只得
If you say that someone is reduced to doing something, you mean that they have to do it, although it is unpleasant or embarrassing.He was reduced to begging for a living.
他不得不以乞讨为生。
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4
VERB 使变成;使简化为
If something is changed to a different or less complicated form, you can say that it is reduced to that form.All the buildings in the town have been reduced to rubble...
城里所有的建筑都成了废墟。
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5
V-ERG （烹调中）使变浓稠，收汁
If you reduce liquid when you are cooking, or if it reduces, it is boiled in order to make it less in quantity and thicker.Boil the liquid in a small saucepan to reduce it by half...
用小炖锅炖，收一半汤汁。
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6
PHRASE 境况变差;生活拮据
If you say that someone is living in reduced circumstances, you mean that they do not have as much money as they used to have.They are the descendants of emperors and kings and are now living in reduced circumstances.
他们是帝王的后代，但是现在境况大不如前了。
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7
PHRASE 使…无言
If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.Her challenge reduced them to silence.
她的质问让他们哑口无言。
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8
PHRASE 使…落泪
If someone or something reduces you to tears, they make you feel so unhappy that you cry.The attentions of the media reduced her to tears.
媒体的关注把她弄哭了。
verb
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1
- take off weight
- Synonym: melt off lose weight slim slenderize thin slim down
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2
- lessen the strength or flavor of a solution or mixture
- cut bourbon
- Synonym: dilute thin thin out cut
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3
- narrow or limit
- reduce the influx of foreigners
- Synonym: tighten
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4
- cook until very little liquid is left
- The cook reduced the sauce by boiling it for a long time
- Synonym: boil down concentrate
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5
- be cooked until very little liquid is left
- The sauce should reduce to one cup
- Synonym: boil down decoct concentrate
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6
- be the essential element
- The proposal boils down to a compromise
- Synonym: come down boil down
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7
- to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons
- Synonym: deoxidize deoxidise
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8
- make smaller
- reduce an image
- Synonym: scale down
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9
- reduce in size;reduce physically
- Hot water will shrink the sweater
- Can you shrink this image?
- Synonym: shrink
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10
- make less complex
- reduce a problem to a single question
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11
- reduce in scope while retaining essential elements
- The manuscript must be shortened
- Synonym: abridge foreshorten abbreviate shorten cut contract
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12
- cut down on;make a reduction in
- reduce your daily fat intake
- The employer wants to cut back health benefits
- Synonym: cut down cut back trim trim down trim back cut bring down
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13
- destress and thus weaken a sound when pronouncing it
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14
- reposition (a broken bone after surgery) back to its normal site
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15
- undergo meiosis
- The cells reduce
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16
- lower in grade or rank or force somebody into an undignified situation
- She reduced her niece to a servant
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17
- simplify the form of a mathematical equation of expression by substituting one term for another
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18
- lessen and make more modest
- reduce one's standard of living
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19
- bring to humbler or weaker state or condition
- He reduced the population to slavery
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20
- put down by force or intimidation
- The government quashes any attempt of an uprising
- China keeps down her dissidents very efficiently
- The rich landowners subjugated the peasants working the land
- Synonym: repress quash keep down subdue subjugate
数据来源：WordNet
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Better insulation of your home will help to reduce heating bills .
增加房子的隔热性能会有助于减少供暖费用。
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Their aim is to reduce people 's dependency on the welfare state .
他们旨在减少人们对福利制度的依赖。
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We can reduce the problem to two main issues .
我们可以将这个问题概括成两个要点。
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There is some noise in the data which needs to be reduced .
资料里有一些需要删除的不适用信息。
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We 'll need to reduce the weight by half .
我们得把重量减轻一半。
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The number of employees was reduced from 40 to 25 .
雇员人数从40人减少到了25人。
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If these measures also reduce unemployment , that is all to the good .
要是这些措施也能降低失业率，那就不失为好事。
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Costs have been reduced by 20 % over the past year .
过去一年，各项费用已经减少了20%。
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These measures would make a valuable contribution towards reducing industrial accidents .
这些措施将会对减少工业事故起重要的作用。
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His argument was that public spending must be reduced .
他的论点是公共开支必须减缩。
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We offer special reduced rates for students .
我们对学生有特惠价格。
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The aim is to reduce traffic at peak periods .
目的是缓解高峰期间的交通状况。
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Giving up smoking reduces the risk of heart disease .
戒烟会减少得心脏病的风险。
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This should help reduce the pain .
这个应有助于减轻痛楚。
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The government is looking to reduce inflation .
政府正在力求降低通货膨胀率。
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Reducing levels of carbon dioxide in the atmosphere is of critical importance .
减少大气层中的二氧化碳含量极其重要。
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Today police launched a campaign to reduce road accidents .
警方今天开展了一场减少道路交通事故的运动。
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The debt has been reduced to a more manageable level .
债务减到了比较能够应付的程度。
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They drew up and executed a plan to reduce fuel consumption .
他们制订并实施了一项降低燃料消耗的计划。
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Reducing prison sentences would send the wrong signals to criminals .
减刑会向犯罪分子发出错误的信号。
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It is desirable that interest rates should be reduced .
利率下调是可取的。
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They are aiming to reduce unemployment by 50 % .
他们正力求使失业人数下降50%。
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Reduce speed now .
减速行驶。
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Use ice to reduce the swelling .
用冰敷消肿。
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It is desirable that interest rates be reduced .
利率下调是可取的。
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He was advised to reduce his alcohol consumption .
他被劝告减少饮酒。
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Regular exercise strengthens the heart , thereby reducing the risk of heart attack .
经常锻炼可以增强心脏机能，从而减少心脏病发作的危险。
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The government had retreated from its pledge to reduce class sizes .
政府已经改变了缩小班级规模的承诺。
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Insurance costs will be reduced for houses fitted with window locks .
窗户有锁的房子保险费用降低。
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Chemicals are injected into the fruit to reduce decay .
水果注入了化学药品以防腐坏。
指变少或降低水平。
The local government has adopted effective measures to decrease unemployment.
当地政府已经采取有效措施减少失业人数。
Her temperature decreased.
她的体温下降了。
指大小、数量不断减小，也可引申为贬低某事物的重要性或价值。
The company planned to diminish the cost of production.
公司计划减少生产成本。
Water in the pond gradually diminished due to lack of rainfall.
由于缺少降雨，池塘里的水逐渐减少。
His comments were only said to diminish the importance of her discoveries.
他的评论就是为了贬低她的发现的重要性。
指程度、规模等减少，也可指降低某事物的可能性、影响等。
Her anxiety lessened while listening to the music.
听音乐的时候，她的焦虑减轻了。
Exercise lessens the risk of heart disease.
进行锻炼可降低患心脏病的风险。
The program has lessened the effects of car pollution.
该计划降低了汽车污染的影响。
指降低价格、数量、规模等。
We should take measures to reduce the price.
我们应该采取各种措施来降低物价。
A plan to reduce crime was announced recently.
最近宣布了一项降低犯罪率的计划。
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