音标：[,kɒnsәn'treiʃәn]
n. 集中, 专心
【化】 浓度; 浓缩
【医】 浓度, 浓缩, 浓缩物, 集中
【经】 集中

字博缘文学网在线英汉词典

concentration的短语、例句：

concentration n 1 [U] ~ (on sth) (power of) concentrating (on sth) 集中（於某事物）（之力）
Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中.
a book that requires great concentration 需全神贯注才能看懂的书
I found it hard to keep my concentration with such a noise going on. 吵闹声不绝於耳, 我很难保持精神集中. 2 [C] ~ (of sth) grouping of people or things 人或事物的聚集、 集中或集合
concentrations of enemy troops, industrial buildings 敌军、 工业建筑物的集中.