詞彙精選：reduce的用法和辨析
一、詳細釋義：
v.
[Reduce sth (from sth)] 縮減（體積、數量、程度、價格等）；減小；減少；減低；降低 [T]
例句：
We should reduce non-productive expenditure.
我們要縮減非生產性開支。
例句：
The landlord wouldn't reduce the rent of their room.
房東不肯減少他們房間的租金。
例句：
He is trying to [reduce] expenses.
他正試圖減少開支。
[reduce sb/sth (from sth)] 使某人/某事物陷入某種（通常指更壞的）狀態或狀況中 [T]
例句：
The fire reduced the paintings to ashes.
大火將這些畫作燒成了灰燼。
[reduce sth to sth] 將某事物概括或簡化成某種形式 [T]
例句：
Finally the chair reduced all the questions to one.
最後主席把所有的問題歸納爲一個。
例句：
You need to reduce the equation to its simplest form.
你需要將這個方程式化爲最簡單形式。
[reduce sth (to sth)]【化】將（化合物）還原；分解（化合物） [T]
例句：
Water can be reduced to oxygen and hydrogen by electrolysis.
水通過電解可以分解爲氧和氫。
【口】（有意識地）減輕體重；節食 [I]
例句：
His doctor advised him to reduce.
他的醫生勸他節食減肥。
例句：
I have to reduce until I've lost ten pounds.
我必須減肥，直到減重10 磅爲止。
[reduce sb (from sth)] 降低某人的級別或地位；降職 [T]
例句：
The officer was reduced to the ranks.
這軍官被降爲士兵。
二、詞義辨析：
decrease,diminish,lessen,reduce,dwindle
這些協詞的共同含義是“減少，變少”。decrease指逐漸地、不斷地減少。diminish側重大小數量和重要性的不斷減小，強調減小的部分。lessen普通用詞，與decrease近義。指數目、程度、價值、實力等的減少。reduce普通用詞，含義廣。指數量、程度的降低或減少。dwindle與decrease同義，指逐漸減小，但強調變得越來越少終至全無。
三、參考例句：
Reduce stress.
減輕壓力。
Reduce distractions.
減少分心。
We should reduce non-productive expenditure.
我們要縮減非生產性開支。
We should reduce non-productive expenditure.
我們要縮減非生產性開支。
Reduce stress and negative thinking.
減輕壓力和消極想法。
These measures will help reduce fringe costs.
這些措施將有助於減少附加費用。
It can smartly reduce calculating time.
它可以大大的減少計算的時間。
He is trying to reduce expenses.
他正試圖減少開支。
This will reduce and equalize mold temperatures
這樣會降低和均衡模具溫度。
Oxygen therapeutics could reduce the risks.
氧氣治療法能降低風險。
