Method: We carried out the walking experiment in the small intestines of pigs by using the mini-robot under manipulator control.

方法：在操作者的控制下，医用微型机器人进行肠道行走实验。

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Try this as an experiment: smile at someone as you pass them on the street or walking around the office.

试着做下面这个试验：在街上或办公室对与你擦肩而过的人微笑。

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The Italian physicist who did the experiment said that if the distance is short enough, running gets a person less wet than walking.

做这项实验的意大利物理学家说如果距离足够短的话，人们跑比走会少受雨淋。

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Barry Bonds at his best was a kind of walking thought experiment.

NEWYORKER: King of Walks

Another experiment, involving 30 people walking on treadmills, found that exercising at the same tempo as the music boosted endurance.

WSJ: Optimal Music for the Gym