And he vows to establish a valid legal framework for the continued detention of the most dangerous detainees.

VOA: standard.2009.05.21

if the Law of Inertia is valid for me, it's valid for other people in the same room at rest with respect to me.

如果惯性定律对我适用,那就对这屋子里的其他和我保持相对静止的人,也同样适用

耶鲁公开课 - 基础物理课程节选

You have to be careful that this first law of Newton is not valid for everybody.

大家需要注意的是,牛顿第一定律并非所有情况都适用

耶鲁公开课 - 基础物理课程节选

So, hopefully that kind of clears up that question. And, of course, when the velocity actually is zero, this equation that the de Broglie has put forth is valid for anything that has momentum, so if something does not have any velocity at all, it actually does not have momentum, so you can't apply that equation anyway.

能回答你的问题，当然，如果速度真的是零的话,德布罗意提出的这个方程,只对有动量的物体成立,所以如果一个东西没有速度，它没有动量，也就不能应用这个方程。

麻省理工公开课 - 化学原理课程节选

and so I trust that it's easily intelligible as I read it to you now.] In fact, however, we have given up the claim to find, in the past, any truth valid and intelligible for ourselves.

所以我相信现在我读的时候大家一定会更容易理解],事实上，我们已经放弃了从过去中寻找,对于自己来说靠得住的，可以理解的事实。

耶鲁公开课 - 文学理论导论课程节选

Natural right is mutable because different circumstances will require different kinds of decisions. So does this mean then that for Aristotle there are no universally valid ? standards of justice or right?

自然权利是易变的，因为不同的情况,将需要不同种的决策,这是否就意谓着亚里士多德,认为没有寰宇合法的,正义与权利标准？

耶鲁公开课 - 政治哲学导论课程节选

And the last thing we do for any of our structures to check them and figure out are these valid or not valid, are these good Lewis structures is to check the formal charge.

而为了检验任何一个结构是否有效,看它们是不是好的路易斯结构,我们要做的最后一件事就是检查形式电荷。

麻省理工公开课 - 化学原理课程节选