词汇精选：reduce的用法和辨析

一、详细释义：

v.

[Reduce sth (from sth)] 缩减（体积、数量、程度、价格等）；减小；减少；减低；降低 [T]

例句：

We should reduce non-productive expenditure.

我们要缩减非生产性开支。

例句：

The landlord wouldn't reduce the rent of their room.

房东不肯减少他们房间的租金。

例句：

He is trying to [reduce] expenses.

他正试图减少开支。

[reduce sb/sth (from sth)] 使某人/某事物陷入某种（通常指更坏的）状态或状况中 [T]

例句：

The fire reduced the paintings to ashes.

大火将这些画作烧成了灰烬。

[reduce sth to sth] 将某事物概括或简化成某种形式 [T]

例句：

Finally the chair reduced all the questions to one.

最后主席把所有的问题归纳为一个。

例句：

You need to reduce the equation to its simplest form.

你需要将这个方程式化为最简单形式。

[reduce sth (to sth)]【化】将（化合物）还原；分解（化合物） [T]

例句：

Water can be reduced to oxygen and hydrogen by electrolysis.

水通过电解可以分解为氧和氢。

【口】（有意识地）减轻体重；节食 [I]

例句：

His doctor advised him to reduce.

他的医生劝他节食减肥。

例句：

I have to reduce until I've lost ten pounds.

我必须减肥，直到减重10 磅为止。

[reduce sb (from sth)] 降低某人的级别或地位；降职 [T]

例句：

The officer was reduced to the ranks.

这军官被降为士兵。

二、词义辨析：

decrease,diminish,lessen,reduce,dwindle

这些协词的共同含义是“减少，变少”。decrease指逐渐地、不断地减少。diminish侧重大小数量和重要性的不断减小，强调减小的部分。lessen普通用词，与decrease近义。指数目、程度、价值、实力等的减少。reduce普通用词，含义广。指数量、程度的降低或减少。dwindle与decrease同义，指逐渐减小，但强调变得越来越少终至全无。

三、参考例句：

Reduce stress.

减轻压力。

Reduce distractions.

减少分心。

We should reduce non-productive expenditure.

我们要缩减非生产性开支。

We should reduce non-productive expenditure.

我们要缩减非生产性开支。

Reduce stress and negative thinking.

减轻压力和消极想法。

These measures will help reduce fringe costs.

这些措施将有助于减少附加费用。

It can smartly reduce calculating time.

它可以大大的减少计算的时间。

He is trying to reduce expenses.

他正试图减少开支。

This will reduce and equalize mold temperatures

这样会降低和均衡模具温度。

Oxygen therapeutics could reduce the risks.

氧气治疗法能降低风险。