So you are saying that Nicola can go back into the state of nature if she wants to but she can't drive on Mass. Ave.?

你是说,只要妮可拉愿意，她可以回到自然状态,但她从此不能在麻省的路上开车了？

耶鲁公开课 - 公正课程节选

Now, I tie this one kilogram mass to it and let it go.

现在,我把这个 1 千克重的物体系上,并松开手

耶鲁公开课 - 基础物理课程节选

What I am going to do next day is go into the larger stoichiometry and understand the principles of mass balance and reactivity But before you go,hold it,I don't want you racing off.

下堂课我要做的是,讨论化学计量学，和,质量平衡很反应定律,但在下课之前，我不希望你们这么快走。

麻省理工公开课 - 固态化学导论课程节选

So, let's go ahead and define our variables here, they should be familiar to us. We have the mass, first of all, me m is equal to m e, so that's the electron mass.

让我们继续定义这些常数,我们对这些应该都很熟悉了，首先，我们有质量，m等于。

麻省理工公开课 - 化学原理课程节选