So all of these programs or commands that we've been using thus far for the piece set in class, take what we call command line arguments, they are the zero or more words that follow the program's name.

所有我们一直在课堂上使用的,这些程序或者命令，携带着命令行参数，它们是跟在,程序名的后面的一个或多个单词。

哈佛公开课 - 计算机科学课程节选

So you use "I've been" to say this is how I've been feeling.

所以你可以使用“I've been”来表达我一直以来的感受。

I've been 课堂 - SpeakingMax英语口语达人

Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

You can never--there's a strong legal precedent for not being able to make a claim about stolen bass, because these basses are limited in number, they involve rather simple harmonic progressions, and they've been used over the centuries.

可是你绝对不可能起诉别人抄袭低音部，这个强有力的法律判例，因为低音部的选择很有限，他们由很简单的和声进程组成，几个世纪以来一直在反复使用。

耶鲁公开课 - 聆听音乐课程节选

First, though, I need to say a couple of words about the word chastity as I've been using it throughout the discussion so far of Comusboth today and Monday.

首先我要就贞节这个词说几句,鉴于我在今天和周一课上有关《科玛斯》的,讨论中一直在使用这个词。

耶鲁公开课 - 弥尔顿课程节选

Convention, OK, this negative sign is just a pure convention. You just got to use it all the time. If you use an old textbook, written when I was taking thermodynamics, they have the opposite convention, and it's very confusing. But now we've all agreed on this convention, and work is going to be with the negative sign here.

系统对外界做功的符号为负,这就是我们,在本课中的规定，纯粹出于统一符号的需要，有些教科书中，可能会使用相反的符号规定,注意不要混淆了，这门课上,我们将一直使用。

麻省理工公开课 - 热力学与动力学课程节选