So when you go ahead and draw these on your problem-sets or on your exams, it's a good idea to put these dashed lines in, both for you and for people reading it to see exactly where your molecular orbitals are coming from.

所以当你在做课后题,或者考试的时候要画这些图时，最好把这些虚线放进去，既方便你自己也方便别人知道,这些分子轨道是从哪里来的。

麻省理工公开课 - 化学原理课程节选

You'll see light coming out, but it's, of course, going to be bulk light -- you're not going to be able to tell the individual wavelengths.

你会看到有光出来，但当然这些光是混在一起的,你不能看到每个单色光。

麻省理工公开课 - 化学原理课程节选

By the first century, when Christianity was coming around, it was not so much the place where you'd go to see necessarily high theater, like Sophocles or Euripides or something like that.

公元一世纪，基督教诞生时，当时的剧院,上演的并不是什么高级戏剧，比如索福克勒斯或者欧里庇得斯的戏剧。

耶鲁公开课 - 新约课程节选

It puts together the experience with tobacco and the experience with diet, to talk about how countries might see this problem coming and doing something about it.

它把发生在香烟和饮食上的,事情放在一起进行对比,讲述了国家是如何发现问题,并做一些事情来解决问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选