Lyrica causes side-effects in some patients, including problems with mental concentration and attention.

VOA: special.2011.08.02

The structural moment of concentration on the code for its own sake cannot be avoided, and literature necessarily breeds its own formalism.

集中在代码上的结构瞬间,因为它本身的原因不可避免，文学必要地导致了它自身的形式主义。

耶鲁公开课 - 文学理论导论课程节选

Now, we're not thinking about total antibody concentration because you already have a lot of antibodies circulating within your blood and in your fluids.

现在,我们先不考虑抗体总浓度,因为你的体内已存在许多抗体,在血液以及体液中循环

耶鲁公开课 - 生物医学工程探索课程节选

Expect the unexpected. And learn concentration.

VOA: special.2011.05.16

And that was when I switched my concentration from computer science to philosophy and psychology with a single question: ? how can I become happier?

于是我将研究方向,从计算机科学转向了哲学及心理系,目标只有一个：,如何变得更快乐？

哈佛公开课 - 幸福课课程节选

Christiano Ronaldo, who plays for Portugal and Spanish football club Real Madrid says the noise disturbs the players' concentration.

VOA: standard.2010.06.14

So, this is several months and this logarithmic scale on the Y-axis represents antibody concentration.

这是在几个月内,这里使用的是对数刻度,Y轴代表的是抗体的浓度

耶鲁公开课 - 生物医学工程探索课程节选

While they were in the brain-scanning machine, they were asked to do tasks that required concentration and attention.

VOA: standard.2009.12.19

But Muller's mother was shipped to the Auschwitz concentration camp and never heard from again.

VOA: standard.2010.04.10

"The Nobel Prize in literature for 2009 is awarded to the German author Herta Mueller, who with the concentration of poetry and the frankness of prose depicts the landscape of the dispossessed,"

VOA: standard.2009.10.08

Paul Pillar,a former senior CIA intelligence officer now with Georgetown University's School of Foreign Service, favors a shift away from direct combat operations to a concentration on training Afghanistan's army and police, and economic development.

VOA: standard.2009.10.15