concentration [ˌkɒnsnˈtreɪʃn]
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基本释义
n.集中;专注;浓度;浓缩
英英释义
the ability to think carefully about something you are doing and nothing else
参考例句
She wrinkled her brows in concentration. 她蹙额皱眉,陷入沉思。
If smoke is going that way, then it means the concentration here should be decreasing. 如果烟雾沿着这个方向飘,这意味着,这里的浓度应该是减少的。
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