所有足球粉丝——其实所有运动的粉丝皆是如此——都执着于各种数据。
All football fans-all sports fans, come to that-are obsessed with Numbers.
我想奥林匹克带给人们的不仅仅是运动员在夺得金牌那一瞬间的喜悦,其实它会影响到我们每一个人的生活。
To me Olympic Games do not only bring their champions moments of joy, they can also affect the life of each and every one of us.
当然,其实你身体的某些部分可能非常努力的运转了,但是在面对不同种类的运动时你应该问问自己这个运动强度够了么?
Yes, there are individual parts of your body that are being worked hard, but with every form of exercise you should ask yourself is it intensive enough?
If it's going in a circle, you will say from now on, that it, indeed, has an acceleration, even though no one's stepping on the accelerator, of amount v^2 over R.
如果它在一个圆周上运动,你会说从现在起它其实有加速度,即使没有人去踩油门,加速度大小为 v^2 / R
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