concentration的用法总结大全思维导图

英式发音 [ˌkɒnsen'treɪʃən] 美式发音 [ˌkɒnsen'treɪʃən]

在英语中，concentration不仅具有上述意思，还有更详尽的用法，concentration作名词 n. 时具有【化】浓度;集中（注意），专心，专注，定神，专心致志的劲头;【化】提浓，蒸浓，浓缩;稠密度，浓缩度，高浓度;【矿】汰选，选矿;富化;丰度;关注，重视;含量等意思，

To form ( letters ) with special concentration or care.

精心塑造特别专心或小心地构想 ( 文字 )

He spent several months in a Nazi concentration camp before he broke out.

他在纳粹集中营里关了几个月后逃了出来.

1.concentration on...

2.concentration of…

A swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comparison to total waste, the concentration of gold and other precious metals was higher in so-called e-waste than in naturall

瑞士的一项研究报告称，尽管与总废物相比，以贵金属为代表的电子产品的重量相对较小，但所谓的电子废物中的金和其他贵金属的浓度（含量）却高于自然废物。

本题来自2015年高考英语江苏卷 阅读理解 阅读B 原文

本题主要考察concentration作名词时浓度；含量的用法

1.concerntrate

2.high concertration

更加关注环境问题的必要性

Lack of concentration on education, distractions, health problems to the first child are the possible adversities.

对教育的缺乏关注 、 分心 、 头胎儿的健康问题都是可能的逆境.

Prather says we should now be following nitrogen trifluoride concentrations in the atmosphere closely.

普莱瑟说我们现在应当密切关注大气中的三氟化氮含量.

Concentration of the mental powers upon an object; a close or careful observing or listening.

注意,专心,留心:将精力集中于某一物体; 关注专心的观察或倾听.

Growing numbers of Americans were alarmed by increased concentration and called for action.

这种日盛一日的合并之风引起了越来越多的美国人的关注,他们要求采取措施.