We lacked concentration and it cost us the goal and the game.我们不太专注, 这让我们丢球并输掉比赛。

His concentration on civil rights has improved his popularity.他一心扑在民权事业上, 这让他更受欢迎。

There's been too much concentration of power in the hands of central authorities.中央政府手中集权过重。

This has also led to a concentration of wealth in a small number of hands.这也导致了财富集中在少数人手里。

The concentration of people in cities promotes economic growth.城市人口的集中促进经济增长。

The area has one of the world's greatest concentrations of wildlife.这个地区有世界最大的野生动物聚集地之一。

the growing concentration of troops in these areas这些地区军队的不断集结

the heavy concentration of bombing轰炸的高度集中

Global ozone concentrations have dropped over the last decade.过去的十年里, 全球臭氧密度降低了。

solutions of relatively low concentration浓度相对较低的溶液

high concentrations of chemical pollutants高浓度的化学污染物

the concentration of liquid foods流质食物的浓缩