concentrates

concentrate, centre, centralize, focus

这组词共同的意思是“集中”。它们的区别在于:centre强调事或物所集中的那个中心点; focus强调同类事物汇集在一点上,融成一体; centralize则用于那些能集中又能分散的事或物,尤指集中权力或类似的东西; concentrate强调人类为达到目的而采用的技巧和方法、纪律及为此所做出的努力。例如:
The conversation was centred on the election.会谈的中心问题是选举。
The troops concentrated near the station.部队集结在车站附近。
He focused the sun's ray on a piece of paper with a burning-glass.他用一面凸透镜把阳光在纸上集成焦点。
She is trying to centralize all power into her own hands.她力图把所有权力集中在自己手中。