慢跑动物
Jogging animal
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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.
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