Tiredness affects your powers of concentration.
疲劳影响注意力的集中。
The processes of arousal and concentration give attention its direction.
觉醒和集中的过程为注意力提供了方向。
Concentration of the samurai in castle-towns had acted as a stimulus to trade.
武士在城堡城镇的集中刺激了贸易的发展。
Soil samples from these pens or corrals show ten times the concentration of phosphorus.
来自这些围栏或畜栏的土壤样本显示，磷的浓度是其10倍。
There's a lag phase, and there's a slow rise to an intermediate level of antibody concentration.
有一个迟滞期，抗体浓度缓慢上升至中间水平。
Ocean colour varies from green to blue, depending on the type and concentration of phytoplankton.
根据浮游植物的种类和浓度，海洋颜色有从绿色到蓝色不等。
Your dentist can prescribe a stronger concentration of fluoride in a gel, toothpaste or rinse if you need it.
如果你需要的话，你的牙医可以给你开更高浓度含氟凝胶，牙膏或漱口剂。
It seems clear that the concentration of research and commercialisation work creates differences between universities.
很明显，研究和商业化工作的集中造成了大学之间的差异。
Salts are enriched around electriferous groups of polymer molecules in solution, which formed a salt concentration gradient.
溶液中的盐份富集在聚合物分子的带电基团附近，并形成盐浓度梯度分布。
Gradually as the concentration of greenhouse gases goes down, Earth starts to cool again, and eventually you slip back into an Ice Age.
随着温室气体浓度的下降，地球开始再次变冷，最终又将回到冰河时代。
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.
这一技术应用于医疗保健领域的潜力非常大，但也可能导致科技巨头权力的进一步集中。
The methane concentration nearly doubled, for example, between the peak of the penultimate glacial period and the following interglacial period.
例如，在倒数第二个冰期的高峰和接下来的间冰期之间，甲烷浓度几乎增加了一倍。
In practice in Tokyo, because of the relative concentration of schools, there is some competition to get into the "better" school in a particular area.
在东京的惯例中，由于学校相对集中，在某个特定地区进入“更好”的学校存在一些竞争。
The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt.
海冰的形成导致表水中盐的浓度增加；海冰的减少意味着盐浓度的增加幅度较小。
The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.
这些政策导致出现长期资源集中，也造就了一批独特的大学，它们以研究为主导且在商业上很活跃。
Many theories have been formulated to explain the role of grazers such as zooplankton in controlling the excluded grazers from regions of high phytoplankton concentration.
人们提出了许多理论来解释食草动物，如浮游动物，在控制浮游植物高度集中地区的食草动物方面所起的作用。
Because of this increased concentration, regrowth of plants is minimal, leading to increased erosion, which leads to a decrease in the fertile topsoil, leading to even less regrowth.
由于浓度的增加，植物的再生长很少，导致侵蚀增加，使得肥沃的表层土壤减少，再生长更少。
When initial repairs are inadequate, therefore, it is not because the mechanics lack competence; rather, there is clearly a level of focused concentration that complex repairs require.
因此，初次修理的不足并不是因为技工缺乏能力；更确切地说，很明显复杂的修理需要一种高度集中的能力。
They allow a certain amount of salt to enter their cells, bringing the salt content of the water within the plant, to a slightly higher concentration than that of the surrounding seawater.
它们允许一定量的盐分进入它们的细胞，将水中的盐分带进植物体内，并把其体内的盐含量提高到比周围海水稍高的浓度。
Some scholars argue that the concentration of water within the urban core of these sites provided a centralized source of political authority for Maya elites based largely on controlled water access.
一些学者认为，集中在这些地点的城市核心区的水资源为玛雅精英提供了一个集中的政治权力来源，而这些权力主要是基于对水资源的控制。
She frowned with concentration.
她全神贯注，紧锁双眉。
Her brow furrowed in concentration.
她眉头紧锁全神贯注。
He wrinkled his brow in concentration.
他全神贯注地锁紧眉头。
His concentration lapsed after a few minutes.
几分钟后他的注意力就下降了。
Neal kept interrupting, breaking my concentration.
尼尔不断打扰，打断我的注意力。
Total concentration is required with no distractions.
需要全神贯注，不可有分心之事。
She was possessed of exceptional powers of concentration.
她有高超的专注能力。
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。
His ability to absorb information was astonishing, but his concentration span was short.
他吸收信息的能力让人惊讶，但他的注意力持续时间很短。
She put the bottle on the coffee table beside him, banging it down hard. He started at the sound, his concentration broken.
她把那个瓶子砰地一声放在他身边的咖啡桌上，他被这声音吓了一跳，注意力被打断了。
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