耳片可以减低坠落的危险,所以运动攀岩者可以不断尝试相同的路线(常常会坠落),直到完全正确为止。
The bolts made falling less dangerous, so sport climbers tried the same 3 route again and again falling often until they got it just right.
你家里的运动探测器也会这样,所以小偷一旦进入屋内寻找可以偷的东西,就需要继续干扰。
So, too, would the motion detectors in your home, so the thief will need to continue jamming once he's inside and searching for things to steal.
因为你的腿部肌肉不习惯这种运动,所以会感到酸痛。
Soreness occurs since your leg muscles aren't used to that movement.
The angle is increasing at a steady rate, so we know it's going at a steady speed.
转过的角度以恒定速率增加,所以我们知道它以一个恒定的速度运动
and so our organisation is trying to get as many medals as possible for the Olympics, for UK athletes.
所以我们的组织努力地为奥运、为英国运动员争取尽可能多的金牌。
So, I'm going to illustrate the idea of kinematics by taking the simplest possible example.
所以我会用很简单的例子,来解释运动学
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