And the boy uses the trees to do two things, right: to go up, or go out, and come back, to return.

这个孩子用树做了两件事：,上去，出去，回来，落下。

耶鲁公开课 - 现代诗歌课程节选

The moon god has to come up at night and hang around for a while And go back down.

月神每晚都得出来，并且在天空悬一会儿,然后才能回去。

耶鲁公开课 - 旧约导论课程节选

So we know that it'll go up for one second then it will turn around and come back.

我们知道了,物体在上升一秒后开始下降

耶鲁公开课 - 基础物理课程节选

And I apologize for taking you over, we'll come back to this next time, please go to the website to sign up for recitation for tomorrow.

抱歉有点拖堂了，我们下次会接着这里讲，请去网站,为明天的复述签到。

麻省理工公开课 - 计算机科学及编程导论课程节选

Alright, so maybe a little underwhelming and we saw already what this program is going to do but let's just go through this process once before we start doing more interesting things and then we'll come back and at least give you a hint of what some of these syntactic details are doing.

好吧，这个程序也许太平庸了，让人印象不够深刻,我们也知道这个程序是干嘛的,在我们开始更有意思的事情之前,让我们再来讨论一下整个过程后再回来,这些语法细节到底是在做什么呢？,先给你们一点小小的提示。

哈佛公开课 - 计算机科学课程节选

You have discribed the border as a safe where things the Taliban just go over there, when they are chased by the Afghan troops and Nato and then they come back then things are a little bit cooler.

您把这个边境线描写成一个关卡,当塔利班分子被阿富汗和北约军队追击时，他们就越过边界线,风声不紧时，他们又通过这个关卡回来。

普林斯顿公开课 - 国际座谈会课程节选

Yeah, if my machine will come back up, there we go. So, I'm going to now go ahead and write a little piece of code, and I put it here and I hope you can actually see these better this time, let me uncomment that region.

让我们写出代码来吧，好，如果我的电脑能回来的话,好了，那么，我要去写一小块代码,我把它放在这里以期望大家这次,能看的更清楚点。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, efficiency is obviously an important consideration when you're designing code, although I have to admit, at least for me, I usually want to at least start initially with code that works, and then worry about how I might go back and come up with more efficient implementation.

现在，当你设计程序的时候效率,是不得不考虑的问题，虽然我必须承认，至少对我来说,我是先担心程序能不能运行,再去把它的效率优化的,我喜欢可靠点的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

You then go to dinner, you come back and you realize that your roommate has now vested you by five seconds and three hours later you've inched ahead again ; so it's a wonderfully motivational tool; and speaks to just how addictive frankly this stuff was and that too for me.

然后你去吃饭,回来后意识到你的室友已经快你五秒钟,三小时后你再次小幅领先,所以这是一个奇妙的激励工具;,坦率地说这东西多么的诱人,对我来说也不例外。

哈佛公开课 - 计算机科学课程节选