Two groups were "runner" mice, that is, mice that loved to run on the running wheels placed in their cages.

两组为“跑步者”老鼠，也就是说，这些老鼠喜欢在放置在它们的笼子里的转轮上跑步。

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The Rutgers' team put running wheels in the cages of some laboratory mice.

Rutgers的小组在一些实验小鼠的笼内放置了可转动轮。

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Some of the animals were given running wheels in their cages, allowing them to run at will. Most jogged moderately every day for several miles, although individual mileage varied.

一些动物的笼子里安置了跑轮，供它们随意跑动。大多数大鼠每天都会适度地慢跑个几英里，只是具体里程各有不同。

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Another group lived in what the researchers call an enriched environment up to 20 mice per cage,with toys, hiding places,and running wheels.

VOA: standard.2010.07.14

Separate experiments compared mice that exercised on running wheels with mice exposed to an enriched environment.

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