concentration
UK [ˌkɒnt.sən'treɪ.ʃən] US [ˌkɑ:nt-] noun
ATTENTION 专心
IMPROVER uncountable
■the ability to think carefully about something you are doing and nothing else 专注，专心•The noise outside made concentration difficult.外面吵得我难以集中注意力。 •There was a look of intense concentration on her face.她脸上带着全神贯注的表情。 •I find that yoga improves my powers of concentration.我发现练瑜伽提高了我的注意力。 •I found it hard to follow what the teacher was saying, and eventually I lost concentration.我发现自己难以理解老师在讲甚么，最后就出神了。 •The government's concentration on tax reduction has won them a lot of support.政府集中推行减税政策，从而赢得了广泛的支持。
UK [ˌkɒnt.sən'treɪ.ʃən] US [ˌkɑ:nt-] noun
AMOUNT 数量
countable or uncountable
■a large number or amount of something in the same place 集中；聚集；汇集•There is a heavy concentration of troops in the area.该地区有重兵驻扎。 countable or uncountable specialized
■the exact amount of one particular substance that is found in another substance 浓度•a concentration of one part per million百万分之一的浓度 •High concentrations of toxic elements were found in the polluted areas.在受污染地区发现了高浓度的有毒元素。 |