So we're in outer space, wheel is standing still and all I do is do this and I let it go.

我们在外太空，车轮是静止的，我做的就是这样然后放开它。

youdao

So, if I do it like this, and I let it go the air will come out in this direction and so then it means the balloon is pushing on the air in this direction.

我放手的话,气会从这个方向走掉,这气球往此方向,放出气体。

youdao

I have here that same ladder, and now what I will do is I will set the angle alpha not exactly at the critical point but a little lower, so that when I let it go, we'll all see that it will slide.

这是一个梯子，现在我要,使得角度α,不是恰等于临界点,而是略小一些，所以当我放手，我们会看到它下滑。

youdao

And what I am going to do today is go in some detail through the Bohr model, so let's do that.

今天我想具体介绍一下波尔的原子模型,那我们现在就开始吧。

麻省理工公开课 - 固态化学导论课程节选

The way I work is to identify the problem, find the right individuals to do the job, and then let them go to it.

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