At the 35k mark, Russell and a few friends have managed to gather up a group of teenage Japanese cheerleaders to root for Tame through the final stretch of the marathon.

在35千米的时候，Russell和一些朋友努力召集一群日本青少年拉拉队来在最后的马拉松赛道上为Tame喝彩。

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BACKGROUND: Stretch injury of nerve root is one of reasons for recent onset of failed back surgery syndrome, but precise pathological mechanism has not been verified.

背景：神经根牵拉损伤是腰椎手术失败综合征的近期发病原因之一，但确切的病理机制尚未经证实。

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WHEN Charlotte Hobbs decided to teach her 11-year-old pupil about the "imaginary" maths needed to work out the square root of a negative number, she knew it would be a stretch.

当夏洛特·霍布斯决定教她11岁的学生用来计算负数平方根的虚数时，她知道这是一个艰巨的任务。

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