The system can be an open system, or it can be a closed system, or it can be isolated.

系统可以是开系，可以是闭系，或是孤立系。

麻省理工公开课 - 热力学与动力学课程节选

These are elements that have yet to be isolated These are elements that are unstable.

这些元素还没有被提取出来,这些元素很不稳定。

麻省理工公开课 - 固态化学导论课程节选

And so, when she comes to be isolated in this way, she can finally see and meditate upon, in a new way, all those systems of communication.

当她这样越来越被孤立的时候，她能够以一种新的方式，去思考那些交流的系统。

耶鲁公开课 - 1945年后的美国小说课程节选

In very severe cases, it can even defile some common objects, and in those cases, the source of impurity might have to be isolated or excluded if necessary.

在一些非常严峻的情况中，它会玷污一些普通的事物，在这种时候，不洁之源,也许只能被孤立，严重的话需要驱逐。

耶鲁公开课 - 旧约导论课程节选

What is punishment? To be thrown out of Eden, to be thrown out of this isolated condition of perfection.

是什么样的惩罚,就是被赶出伊甸园,被剥夺了这种完美的世外桃源生活

耶鲁公开课 - 古希腊历史简介课程节选

With the United States quite isolated, not reaching out to Canada and Mexico, which is one thing we need to be doing for energy and economic reasons.

而美国则被孤立了，不和加拿大，墨西哥打交道，事实上这是我们现在该做的,为了能源问题和经济发展。

普林斯顿公开课 - 国际座谈会课程节选

And there are various forces that play in the nucleus that will dictate when this will be stable and when it won't be.They isolated it, but it decays very quickly on the order of microseconds Lifetime on the order of microseconds.

在原子核中有很多种力,都会产生作用，当条件是稳定的,还有当它不是的时候，它们提取出来，但是它会以微秒的速度衰变,生命只有几微秒长。

麻省理工公开课 - 固态化学导论课程节选