If you've ever been using some program, you did something completely innocuous, pull something down from a menu, click a button, you didn't do anything wrong and yet all of a sudden the thing just starts hanging there or you get a little spinning beach ball or the hour glass or whatever it is.

如果你之前在用一些程序，做一些无伤大雅的事情，拉下一个菜单，点击一个按钮，你没有做任何错误的事情,突然间有东西开始一直运行,或者一个沙滩上的小球旋转,或滴漏或是别的什么。

哈佛公开课 - 计算机科学课程节选

Okay. So next time we will turn to the somewhat formidable task of understanding Lacan.

好的，下节课我们要,讲到拉康，这将是件艰巨的任务。

耶鲁公开课 - 文学理论导论课程节选

And we had a bunch of drop downs I was able to choose from.

这儿有一些下拉菜单可供选择。

哈佛公开课 - 计算机科学课程节选

Let me introduce you to our head TA, Mara Daniel, who's recently Mara Baraban.

我来给大家介绍下我们的首席助教,玛拉·丹尼尔,她最近才冠了夫姓"巴拉班"

耶鲁公开课 - 基础物理课程节选

It's the number of times you pull it down.

重要的是你拉下拉杆的次数。

耶鲁公开课 - 心理学导论课程节选

So if you've ever seen or used an old school typewriter, you might recall that when you're typing something out on an old mechanical typewriter, - when you like hit the char-- when you hit the enter key to move the head back to the left hand side to the next line or you would pull down some lever, it was really a two part process.

如果你们有谁曾经看过或用过老式打字机，可能还记得，当你在,这种老式打字机上打字的时候，当你-,敲入回车键，跳转到,下一行的最左边，或者,拉一下杆，这个需要两步走。

哈佛公开课 - 计算机科学课程节选