Also, in a very different mood, the poem "For Once, Then, Something."

还有另一首完全不同的情绪的诗，“只一次，便成永远“

耶鲁公开课 - 现代诗歌课程节选

And once you know how it sounds, making those sounds for yourself would be a lot easier to do.

一旦你知道该怎么发音，你就能更加容易地把它说出来。

想征服英语的话 - SpeakingMax英语口语达人

And, so, people would come down and they'd have their pictures taken with a picture, as if it was part of the true cross of the crashed Vendome column; because for once they had won, for once they had won.

所以,人们会来这里,和那张画合影留念,仿佛这是,旺道姆广场的纪念柱的墓碑,因为他们曾经胜利过,他们曾经胜利过

耶鲁公开课 - 1871年后的法国课程节选

Well, "The wonder is I didn't see at once" and that is the grave that he has made for their child.

奇迹的是我曾经看不见“,是他为他们的孩子准备的坟墓。

耶鲁公开课 - 现代诗歌课程节选

So this design of having students on campus once a month for intensive classes allows students to continue working full time.

让学生每月来校一次,进行现场教学的设计,允许学生继续全职工作。

哈佛公开课 - 幸福课课程节选

But once you get into a situation, it complicates, you see things. How do that happen for you?

但一旦你到了一个环境中，有了具体情况，你就能明白，你是什么情况呢？

普林斯顿公开课 - 人性课程节选

Censorship only comes into play once a text has actually been in circulation for a while, only after a number of readers have found a published text to pose a threat.

控制仅仅是一本书已经出版发行一段时间,一些读者已经发现这印刷的文本,造成威胁时才起作用的。

耶鲁公开课 - 弥尔顿课程节选

That's where I--once that gets going, it goes for a long period of time.

一旦开始了,就喋喋不休

耶鲁公开课 - 聆听音乐课程节选

How could anything be bad for me once I'm dead?

我死后又有什么事情能对我不好呢？

耶鲁公开课 - 死亡课程节选

Disappointment number two, once there is a legitimate government based on consent, the only limits for Locke are limits on arbitrary takings of life or of liberty or of property.

失望的第二点，一旦经过同意建立合法政府后，对洛克来说它唯一的限制,就是不能肆意夺取生命或自由或财产。

耶鲁公开课 - 公正课程节选

Once it became true that people could raise food or gather food, or produce food for more than just themselves or their families, meant that people were free to do other things.

这些成为现实之后,人类不仅仅能为他们自己或家人,种植,收集或制造食物,也就是说人们可以有空来做别的事情

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

First, the Treaty declared that the individual sovereign state would henceforth become the highest level of authority; you might say, putting an end once and for all " to the universalist claims of the Holy Roman Empire.

第一，条约宣称,各个主权国家,都因此而成为各自国家里最高的权力;,永远终结了,普遍意义上的“神圣罗马帝国。

耶鲁公开课 - 政治哲学导论课程节选

That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Do I have two yes answers if you wanna check two conditions at once? You know, this might seem to be a bit of a new context for some of you but consider a typical website.

我能不能对两个条件同时判断,来看看它们是不是都为真？,这些概念可能对你们中一些人有点新颖,那么就考虑一个典型网站。

哈佛公开课 - 计算机科学课程节选

n l m s Once we have chosen a certain mix of n, l, m and s, it is used once for that particular atom.

一旦我们选定了一组量子数，它就只能被一个固定原子所有。

麻省理工公开课 - 固态化学导论课程节选

For example, the stock market crash of 1929 is repeatedly re-expected even though it only happened once; it's just prominent in our thinking.

929年股市崩盘,就被反复提及,尽管这只发生过一次,但是人们对它影响深刻

耶鲁公开课 - 金融市场课程节选