adj
1 intense 极度的; 紧张的; 加强的; 强烈的
*concentrated study, hate, effort 紧张的学习、强烈的仇恨、专心致志的努力
* concentrated fire, ie the firing of guns all aimed at one point 集中的火力.
2 increased in strength or value by the evaporation of liquid 浓缩的
*a concentrated solution 浓缩的溶液
* concentrated food 浓缩食品.

adj
a concentrated liquid or substance has been made stronger by removing water from it
　concentrated orange juice
　a concentrated cream detergent
[only before noun]
showing a lot of effort or determination
　He made a concentrated effort to improve his work.