concentration [ˌkɒnsnˈtreɪʃn]以下由轻松背单词网站提供
单词级别第5级基本释义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。 推荐阅读 |