核心词义
concentration
英[ˌkɒns(ə)nˈtreɪʃ(ə)n] 美[ˌkɒnsen'treɪʃən]
核心词义
n. 浓度；集中；浓缩；专心；集合
concentration 基本解释
速记技巧
词根词缀法
con-共同+-centr-中心+-ation名词词尾
concentration 变化形式
复数： concentrations
知识扩展
重要短语
concentration of sth集中；聚集
high concentration高浓度，高强度
stress concentration应力集中
concentration on注意力集中于…
中文词源
concentration 用法和例句提示：点击例句中的单词，就可以看到词义解释
提示：点击例句中的单词，就可以看到词义解释
- This would also accentuate concentration in trading markets .
- 此举还会增强交易市场的集中度。
- Pm2.5 concentration levels reached 889 micrograms at one point in january .
- 1月，pm2.5浓度水平曾一度达到889微克。
- These are some suggestions for improving your concentration .
- 以下就是一些提高专注力的建议。
- Spermidine concentration has been shown to decline with age .
- 浓缩的精索表现出对衰老过程的阻止。
- After that much time , carr was intimately acquainted with the concentration , confidence or composure challenges each diver faced .
- 许久以后，carr熟知了每一个队员面对的来自专心，信心或沉着的挑战。