Consider the following: every society which we know operates within the medium of belief or faith of some kind.

考虑下例所提：每一个社会,已知的社会，运作的媒介,多少都含有一些信念或信仰。

耶鲁公开课 - 政治哲学导论课程节选

One of the things about these plasmids that makes them very useful is that their entire base pair sequences is known.

质粒之所以有用,其中一个原因就是,它的全部碱基序列都是已知的

耶鲁公开课 - 生物医学工程探索课程节选

So first, let's start with the one that we already know, and make sure that it still works, starting from here, mainly our isolated system.

首先，我们从我们已知的一个例子入手，看看这个判据是否正确，从绝热系统出发。

麻省理工公开课 - 热力学与动力学课程节选

Now I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.

现在就能测量这个力了,因为把弹簧拉伸 1 厘米,我就知道它让一个质量已知的物体产生的加速度

耶鲁公开课 - 基础物理课程节选

I suppose the first apparently historical event that we know something about is the first Olympic Games, which according to Greek tradition were held in 776 B.C.

我认为第一个已知的重大历史事件,就是第一次奥林匹克运动会,根据希腊人的口头传述,那是发生在公元前七百七十六年

耶鲁公开课 - 古希腊历史简介课程节选