Stephens, who began the study after striking his thumb with a hammer, found volunteers could tolerate more pain if they repeated swearwords rather than neutral words.

他在被锤子弄伤拇指后开始这项研究，并发现一直说脏话的志愿者可以比不说脏话的志愿者忍受更多的疼痛。

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Their study shows that the expression of genes involved in calcium signaling is required to induce plasticity in nerve cells after repeated stimulation with nicotine or cocaine.

他们的研究显示涉及钙离子的基因表达对于尼古丁或可卡因反复刺激后的神经塑性形成所需要。

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Objective the study was to evaluate the microscopic changes on skin and soft tissue after repeated expansion for clinical work.

目的探讨皮肤软组织重复扩张的微观变化，为临床应用提供理论依据。

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On Nov. 19, after the companies offered repeated explanations for a long delay in the study, Forbes was the first to raise questions about ENHANCE.

FORBES: Schering-Plough Backdates Trial

The Australian researchers had carried out a study in 1993 which suggested there could be a link between repeated ultrasound scans in late pregnancy (after 18 weeks) and growth restrictions among newborn babies.

BBC: Pregnant woman undergoing an ultrasound