| 释义 |
con·cen·tra·tion AHD[kŏn'sən-trāʹshən] D.J.[ˌkɒnsənˈtreɪʃən]K.K.[ˌkɑnsənˈtreʃən]n.（名词）- The act or process of concentrating, especially the fixing of close, undivided attention.专心：全神贯注的动作或过程，尤指专注的、不分散的注意力的集中
- The condition of being concentrated.全神贯注的状态
- Something that has been concentrated.经过浓缩的物品
- Chemistry The amount of a specified substance in a unit amount of another substance.【化学】 浓度：在某一单位物质中另一特定物质的含量
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