There is no border in the West. So Sal has to reinvent one, and in some sense it's a border of time.

西部里本身没有什么分界线，所以萨尔必须新发明一个，他所分的界限可以说按照时间来的。

耶鲁公开课 - 1945年后的美国小说课程节选

Milton's treading an extraordinarily fine line between the tremendous beauty of this image, on the one hand, and its potential impiety or just grotesquery on the other.

弥尔顿踩到了一条极其微妙的分界线上,这幅景象一方面极具美感，另一方面却可能是对上帝不恭甚至荒诞的。

耶鲁公开课 - 弥尔顿课程节选

On day one, light and dark are separated.

在第一天，光明与黑暗分界。

耶鲁公开课 - 旧约导论课程节选

He said, "If I cross the Halys River, that's the boundary between Lydia and Persia, what will happen?" The oracle replied, "A great empire will be destroyed," And Croesus said, "Terrific that's what I have in mind."

如果我跨过了哈吕斯河,那是吕底亚和波斯的分界线,会有什么后果,神谕回答说,一个伟大的帝国将被摧毁,于是克洛伊索斯说,太棒了,正如我愿

耶鲁公开课 - 古希腊历史简介课程节选

So z equals 7 -- this is the cut-off where, in fact, the sigma orbital is going to be higher in energy than the pi 2 p orbitals.

所以z等于7-这是分界点，实际上，sigma轨道能量,要比π2p轨道高。

麻省理工公开课 - 化学原理课程节选

The most famous climb upward, although we will not actually read these parts for this class, concerns the climb to the divided line, the famous image of the divided line in Book VI, and the ascent to the world of the imperishable forms.

最著名的向上攀升，但我们不会实际,在本课中阅读，这些关于攀升到分界线的段落，著名的分界线景像出现在第，VI，部，上升到,不朽形式的世界。

耶鲁公开课 - 政治哲学导论课程节选

The line between good and evil is beginning to blur.

善恶间的分界线已经变得模糊了。

耶鲁公开课 - 弥尔顿课程节选

z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.

你们要记住如果,等于或者大于，就像O是分界点，这时sigma2p轨道,比π2p轨道能量更低。

麻省理工公开课 - 化学原理课程节选