I know that time and distance can destroy everything, and you can spend time together, even if separated by a light year can save time.
我知道,时间和距离可以摧毁一切,可和你在一起的时间,就算隔着光年也能把时间拯救。
It suggests that time and distance are inextricably related, but that isn't so. If I stood still on the shoulder of the road, 5:15 would come and go on the shoulder of the road.
虽然这说明时间与距离之间的联系是毋庸置疑的,但也并未完全如此,如果我静止站在路肩上,那么五点一刻的时候我就将会在路肩上度过了。
At that time, we regarded 25 miles as good day's walk and the ability to cover such a distance in ten hours as a sign of strength and skill.
当时,我们认为一天走25英里是很好的,能够在10小时内走完这段距离是力量和技能的象征。
Alright. So, since we have these terms defined, we know the frequency and the wavelength, it turns out we can also think about the speed of the wave, and specifically of a light wave, and speed and is just equal to the distance that's traveled divided by the time the elapsed.
好了,我们已经定义了,这些术语,我们知道了,频率和波长,现在可以来考虑,波的速度了,特别是光波的速度,速度等于它走过的距离,除以所用的时间,因为我们。
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