It keeps you fit physically as well as allows some down time for your brain.

它不仅能够保持您的身体健康，而且可以让您的大脑有放松休息的时间。

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To stay fit physically, do a morning stretch routine, jump on a trampoline, or take a 2-mile walk.

在身体上来说，习惯性地做一些晨练，跳蹦床，或者走两公里的路程。

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Hence regular participation in an outdoor activity like running, trekking, hiking, sports, etc., could keep you fit physically as well as mentally.

多参加一些户外活动，比如说跑步，徒步旅行，登山等等，会让你在体力和精神上都更加健康。

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Walking tops the list. A two thousand six report from the C.D.C.found that more than seventy-nine million Americans walk to stay physically fit.

VOA: special.2010.06.08

It's roughly the same size physically as those floppy disks and yet how many, how much, how many bytes fit on a typical hard drive today?

从物理大小上来说几乎相同,那么现在的硬盘的存储大小,一般有多少字节呢？

哈佛公开课 - 计算机科学课程节选

It is important to maintain an active routine, to keep physically fit and mentally active.

CNN: Looking beyond lunchtime: The art of career planning

Chappell had argued that the captain was not physically fit and was undermining team unity.

BBC: Chappell (AFP/Getty) and Ganguly (AP)

But today we know that being healthy is about more than just being physically fit.

WHITEHOUSE: President's Council on Fitness, Sports & Nutrition