That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.

这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。

耶鲁公开课 - 旧约导论课程节选

When God began this process of creating the heaven and the earth, And the earth was unformed and void, And his wind was on the surface of the deep and so on, He said, "Let there be light and there was light."

当上帝开始开创天地的过程，大地一片混沌，虚空无形，他的呼吸掠过这混沌的表面，他说，“要有光，于是便有了光“

耶鲁公开课 - 旧约导论课程节选

When you're falling to the surface of the Earth, you are describing a problem of constant acceleration.

当你讨论下落问题时,你在描述一个加速度恒定的问题

耶鲁公开课 - 基础物理课程节选

And the myth has to do with these sort of pictures I was just describing where we don't actually live on the surface of the Earth of in the light, but rather live in certain hollows in the dark where we're mistaken about the nature of reality.

那个传说与我一直形容的,这个大局有关,我们并不真正生活在地表,生活在阳光里,而是生活在某种暗无天日的黑洞中,一个我们都误解了现实本质的地方

耶鲁公开课 - 死亡课程节选

So, when you divide by m, m cancels and everything falls at the same rate on the surface of the Earth.

因此,当等号两边除以 m 时,m 被消去了,在地球表面的所有物体,都以相同的加速度下落

耶鲁公开课 - 基础物理课程节选

For example, we know that if a body is near the surface of the Earth, the force of gravity of that object seems to be m times g, where g is 9.8.

例如,我们知道,如果在地球表面有一个物体,该物体受到的重力大小为 m 与 g 的乘积,g 等于 9.8

耶鲁公开课 - 基础物理课程节选

Right. The most famous example is that when things fall near the surface of the Earth, they all have the same acceleration, and the acceleration that's common is called g, and that's 9.8 m/s^.

最有名的例子就是,当物体地球表面附近下落时,它们都拥有相同的加速度,这个普遍的加速度叫做g,大小为9.8m/s^

耶鲁公开课 - 基础物理课程节选