concentration
- n.浓度;集中;专注;聚集;关注;专心;重视
复数： concentrations
con- 表强调 + centr 中心 + -ate 做, 造成 + -ion 行为, 状态
concentrationnoun
专心；专注
the ability to direct all your effort and attention on one thing, without thinking of other things
This book requires a great deal of concentration.
这本书需要全神贯注才能读懂。
Tiredness affects your powers of concentration.
疲劳影响注意力的集中。
关注；重视
the process of people directing effort and attention on a particular thing
a need for greater concentration on environmental issues
更加关注环境问题的必要性
集中；聚集
a lot of sth in one place
a concentration of industry in the north of the country
这个国家的工业在北部的集中
浓度；含量
the amount of a substance in a liquid or in another substance
glucose concentrations in the blood
血液中的葡萄糖含量
concentration
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1
N-UNCOUNT 全神贯注;专心;专注
Concentration on something involves giving all your attention to it.Neal kept interrupting, breaking my concentration...
尼尔不停地打断我，使得我无法集中注意力。
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2
N-VAR 集中;汇集
A concentration of something is a large amount of it or large numbers of it in a small area.The area has one of the world's greatest concentrations of wildlife...
这个地区是世界上野生动物最为密集的区域之一。
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3
N-VAR 浓度
The concentration of a substance is the proportion of essential ingredients or substances in it.pH is a measure of the concentration of free hydrogen atoms in a solution...
pH值是测试溶液中自由氢原子浓度的单位。
noun
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1
- strengthening the concentration (as of a solute in a mixture) by removing diluting material
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2
- bringing together military forces
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3
- great and constant diligence and attention
- Synonym: assiduity assiduousness
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4
- the strength of a solution;number of molecules of a substance in a given volume
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5
- the spatial property of being crowded together
- Synonym: density denseness tightness compactness
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6
- complete attention;intense mental effort
- Synonym: engrossment absorption immersion
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7
- increase in density
数据来源：WordNet
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What is the concentration of salt in sea water ?
海水含盐的浓度是多少？
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The colon is the locus of a large concentration of bacteria .
结肠是大浓度的细菌所在地。
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His face was a study in concentration .
他脸上完全是一副全神贯注的表情。
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The drug may affect your powers of concentration .
这种药可能会影响你的注意力集中。
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He pleaded family problems for his lack of concentration .
他解释说注意力分散是因为有家庭问题。
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You cannot afford to relax your concentration for a moment .
你必须集中精力，一刻都不能松懈。
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Chess is a game that calls into play all your powers of concentration .
国际象棋是一项需要全神贯注的活动。
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She was possessed of exceptional powers of concentration .
她有高超的专注能力。
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His concentration lapsed after a few minutes .
几分钟后他的注意力就下降了。
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Tiredness affects your powers of concentration .
疲劳影响注意力的集中。
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She frowned with concentration .
她全神贯注，紧锁双眉。
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Her brow furrowed in concentration .
她眉头紧锁全神贯注。
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I knew that concentration was the first requirement for learning .
我知道专心致志是学习的首要条件。
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The area has one of the world 's greatest concentrations of wildlife
这个地区是世界上野生动物最为密集的区域之一。
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We lacked concentration and it cost us the goal and the game .
我们注意力不够集中，结果丢了球，输了比赛。
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There 's been too much concentration of power in the hands of central authorities .
权力一直过多地集中在中央机构手中。
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His ability to absorb information was astonishing , but his concentration span was short
他吸收信息的能力令人吃惊，但是他的注意力持续时间很短。
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I had a little lapse of concentration in the middle of the race
我在比赛中途一时走神。
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In strong concentrations it can cause nausea and vomiting .
浓度过高会导致恶心呕吐。
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Total concentration is required with no distractions .
要全神贯注，不能有丝毫分神。
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He plays the character with tremendous concentration combined with a pleasing modesty .
他表演这个角色时倾注了巨大的心血，而且非常谦虚和善。
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The latest data showed that global ozone concentrations had dropped several per cent over the last decade .
最新数据显示，过去10年来全球臭氧的浓度降低了几个百分点。
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He paused and narrowed his eyes in concentration .
他停下来，眯起眼睛专注地看着。
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In heavy concentrations , ozone is irritating to the eyes , nose and throat .
高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。
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Neal kept interrupting , breaking my concentration
尼尔不停地打断我，使得我无法集中注意力。
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Concentration is a practical way of achieving greater efficiency .
全神贯注是达到更高效率的切实有效的方法。
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She wrinkled her brows in concentration .
她蹙额皱眉，陷入沉思。
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You have to study with concentration .
你得静下心来学习。
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It 's the sort of work that calls for a high level of concentration .
这工作需要高度集中注意力。
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A gas in solution diffuses from region of greater to one of less concentration .
溶液中的气体由浓度较高的区域向浓度较低的区域扩散。