OK, you say, come on, I've seen these all the time. Every time I type something into my program, it does one of these things, right?

好了，或者你要说,我总是能看见这些,每一次我在程序里输入一些内容的时候？

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the things that we discussed was this type of imagery here where you have vertically these pillars, if you will, or we could even call--the more I sort of looked at this--sort of call them tree trunks almost.

我们讨论的问题之一是这里的这种意象，这些垂直的柱子，如果你愿意的话，我们可以称之为，我越看越觉得称之为树干比较好。

耶鲁公开课 - 聆听音乐课程节选