核心词议：
n. 浓度；集中；浓缩；专心；集合
concentration 基本解释
n. 集中；专心；关注；浓度
速记方法
速记技巧 词根词缀法 con-共同+-centr-中心+-ation名词词尾
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…
concentration 变化形式
复数： concentrations
中文词源： concentration
精选例句
1、 Tiredness affects your powers of concentration.
疲劳影响注意力的集中。
2、 The drug may affect your powers of concentration.
这种药可能会影响你的注意力集中。
1、 H)Breakfast is also associated with improved brain function, including concentration and language use.
早餐还能改善大脑功能，包括注意力和语言能力。
1、 The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.
产生长期资源集中的政策也产生了一系列独特的大学，这些大学以研究为主导，在商业上很活跃。
1、 The potential of this work applied to healthcare is very great, but it could also lead to further concentration of power in the tech giants.
这项工作应用于医疗保健的潜力非常大，但它也可能导致权力进一步集中在科技巨头身上。
常见考点例句：
- 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。
