音标：[.kɒnsәn'treiʃәn] ；柯林斯词典等级：3 级；牛津三千核心词汇；

n. 集中, 专心
[化] 浓度; 浓缩

n. the strength of a solution; number of molecules of a substance in a given volume
n. the spatial property of being crowded together
n. strengthening the concentration (as of a solute in a mixture) by removing diluting material
n. increase in density

词型变化：名词复数形式 : concentrations
考试类型：[四级/六级/考研]

词性分布：

名词100%

concentration的用法和样例：

例句

用作名词(n.)

The tennis players need total concentration during play.网球运动员在比赛中需要全神贯注。
Stress and tiredness often result in a lack of concentration.紧张和疲劳常使人精神不集中。
Concentration is essential if you want to do a good job.如果你想把事情做好,专心是必要的。
His area of concentration is economics.他专心研究经济学。
Check oxygen concentration by a refractometer.用折射仪测量一下氧气的浓度。
Titanium is useful at low concentration only.钛只在低浓度时起作用。

常见句型

用作名词(n.)

The tennis players need total concentration during play.网球运动员在比赛中需要全神贯注。
It is hard to keep one's concentration up to concert pitch in this sort of scene.在这种场合下,要使注意力处于高效能状态是很困难的。
It's the sort of work that calls for a high level of concentration.这工作需要高度集中注意力。
He is most capable of intense concentration.他非常擅长集中注意力。
This is a novel depicting the bitter sufferings of the inmates in a Nazi concentration camp.这是一本描写关押在纳粹集中营的人受苦受难的小说。
On concentration of sea water we obtain salt.海水经浓缩后我们得到盐。
There are heavy concentrations of that fish at the lower depths.那种鱼大量聚集在深潭。
Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里。
This concentration of airborne firepower wrought havoc with the enemy forces.这次机载火力的集中攻击给敌军造成很大破坏。
A gas in solution diffuses from region of greater to one of less concentration.溶液中的气体由浓度较高的区域向浓度较低的区域扩散。

词汇搭配

用作名词 (n.)

动词+～

disrupt〔disturb〕 one's concentration扰乱注意力
lose one's concentration分散注意力

形容词+～

considerable concentration高度集中的注意力
deep concentration聚精会神
high concentration高浓度
large concentration of population人口高度集中
low concentration低浓度

～+名词

concentration camp集中营

介词+～

in concentration专心地
power of concentration集中思想的能力
with concentration专心地

～+介词

concentration of fire火力集中
concentration of sea water海水浓缩
concentration on对…的专注
concentration on civil rights对公民权利的专注

经典引文

The concentration of your force in one position.
出自：Wellington
This concentration of all power in the hands of a single man.
出自：J. R. Green
The main concentration of West Indians is to be found in Brixton, London.
出自：E. Moonman

【近义词】

absorption吸收，吸收作用...
attentiveness注意
attention注意
meditation沉思
awareness认识
focus焦点
deliberation熟虑
study研究
condensation浓缩
compression压缩
application应用
speciality专长
thinking思考
collection收集
assiduity勤勉
immersion沉浸
engrossment用大字写；占去 ... ...
density密度
tightness密闭
assiduousness刻苦(有毅力...
denseness稠密
compactness致密性

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