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詞彙精選:concentrate的用法和辨析

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一、詳細釋義:

padding-bottom: 100%;">詞彙精選:concentrate的用法和辨析

n.

濃縮,精選;濃縮物


例句:

It's fish protein concentrate.

這是魚蛋白濃縮物。


例句:

Using these techniques, wastewater is split into a desalted dilute and a salt concentrate.

利用這些技術,廢水被分離成脫鹽的稀釋液和鹽濃縮液。


v.

集中;聚集 [I,T]


例句:

He wanted to concentrate on a single issue.

他要集中在單一的問題上。


例句:

The rioters concentrated at the main square of the town.

騷亂者聚集在鎮內主要廣場上。


全神貫注,專心於 [I,T]


例句:

You'll solve the problem if you concentrate on it.

如果你全神貫注,你會解決這問題。


例句:

Having failed my French exams, I decided to concentrate on science subjects.

我因法語考試不及格而決心專攻理科。


濃縮,提純;精選,富集 [I,T]


例句:

An acid solution is concentrated when it has very much acid in it.

當酸性溶液裏含有很多酸時,它就被濃縮了。


例句:

How are metals concentrated?

金屬是怎樣富集的?


二、詞義辨析:


concentrate,focus

這兩個動詞均有“集中,聚集”之意。concentrate指把人或物集中在一起,也可指把精力或注意力集中於某一事物上。focus側重指把光、熱、射線等集中於一點,也可指把思想或精力等集中於某人或某事情上。


三、相關短語:


concentrate on

v.集中,全神貫注於


四、參考例句:


I must concentrate on my work.now.

我現在必須集中精力做好我的工作。


I must concentrate on my new task.

我必須專注於我的新任務。


We must concentrate our attention on efficiency.

我們必須把注意力集中在效率上。


I couldn't concentrate on my work.

我無法集中精力工作。


Adrian was finding it difficult to concentrate.


You should concentrate on the road when you're driving.

開車時注意力應集中在路上。


The group plans to concentrate on six core businesses.

該集團打算主營6種業務。


Wouldn't it be better to concentrate on unmanned flights?

把精力集中於無人飛行是否更好?


It’s too hot to concentrate on book.

熱得不能集中心思看書。


He wanted to concentrate on a single issue.

他要集中在單一的問題上。