A study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of touch receptors in a given area.
《神经科学》杂志上的一项研究发现，那些手指较小的人们拥有更敏感的指尖，大概是因为在他们指尖集中的触觉感受器要多于常人。
Secondly, make a target and you can study with more concentration.
其次，制定一个目标，你可以学习的更加集中。
Objective To study variation of plasma warfarin concentration and its clinical significance in patients with heart valve replacement.
目的探讨心瓣膜置换术后血浆华法林浓度的动态变化及其临床意义。
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