Tiredness affects your powers of concentration.
疲劳影响注意力的集中。
The drug may affect your powers of concentration.
这种药可能会影响你的注意力集中。
You cannot afford to relax your concentration for a moment.
你必须集中精力，一刻都不能松懈。
No studies found that eating breakfast was bad for concentration.
没有研究发现吃早餐不利于注意力的集中。
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。
The present Road Traffic Ordinance states clearly that the limit of alcohol concentration.
现行道路交通条例清楚地规定了酒精浓度的上限。
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。
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。
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。
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。
His face was a study in concentration.
他脸上完全是一副全神贯注的表情。
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。
This book requires a great deal of concentration.
这本书需要全神贯注才能读懂。
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。
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