After the concert he said: "She has a voice that one hears only once in a hundred years."

VOA: special.2009.01.25

Every once in a while we'll bring up an issue of well, how has this been interpreted over the centuries?

偶尔我们会提到，几个世纪以来是如何解读的？

耶鲁公开课 - 新约课程节选

If you get, you know, a handshake or you know. Every once in a while we get people to do that.

但如果能得到观众的一次握手，我们得到的就是观众。

观众是我的动力 - SpeakingMax英语口语达人

She may work with cowboys, but she says that does not mean she cannot make something more feminine once in a while.

VOA: special.2011.01.31

Milton will only use the word career once in his poetic oeuvre and it comes -- it will come pretty soon, actually, in Sonnet Number Seven.

弥尔顿在他的全部诗歌作品中只用过一次事业这个词,我们马上就会看到，在十四行诗的第七行。

耶鲁公开课 - 弥尔顿课程节选

As he once told the Houston Chronicle, "A Weed Eater comes along once in a lifetime."

VOA: special.2011.07.19

I will use that to post information, maybe once in a while send an e-mail to the whole class.

我会在那上面发布通知,可能隔一段时间就会给全班群发一封邮件

耶鲁公开课 - 基础物理课程节选

And,even poorer members of society could enjoy the drink once in a while.

VOA: special.2010.02.17

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

Such an accident does not happen more than once in a hundred years.

VOA: special.2010.03.27

But once in awhile, one of these plus twos comes in almost on axis, and it gets whipped around by the Coulombic repulsive forces.

但是偶尔一个带两个正电荷的粒子,以接近于轴的位置进入，会快速的移动到周围,由于库仑斥力的作用。

麻省理工公开课 - 固态化学导论课程节选

Definitely a once in a lifetime opportunity I'm doing here." These boys say they share the special link of being Scouts no matter where they come from.

VOA: special.2010.08.06

Exactly, so you might have been thought especially in years past to defragment, so to speak, your hard drive once in a while.

你可能认为需要进行,碎片整理这种操作，也可以说硬盘驱动器有时需要你这么做。

哈佛公开课 - 计算机科学课程节选

They had waited once in a spacecraft that never left the ground.

VOA: special.2009.07.01

He speaks about the word polis more than once in the same general context.

赫西奥德在同一文章之中,不止一次谈到了城邦这个词

耶鲁公开课 - 古希腊历史简介课程节选

Everybody really tries to come to Washington once in their lives if they live in the country.

VOA: standard.2009.12.08

And this point-- that it is culture rather than acoustics-- was brought home to me once in a discussion with a student here at Yale who said to me, "Yeah, but over there at the Slifka Center, we Jews have lots of happy melodies and they are all in minor--what you would call minor."

还有一点,大小调是文化差异,而非声学,有个耶鲁的学生上我家里去讨论,他对我说,哈,就在这个斯利夫卡中心,我们犹太人有很多快乐的旋律,都是小调,就是你说的那种小调

耶鲁公开课 - 聆听音乐课程节选

Slim enjoys being in the spotlight every once in awhile, but he says true happiness comes from making music day in and day out.

VOA: standard.2010.08.04

Once in a while, I take a subway, but I always walk.

有时我也坐地铁，但我常常步行。

在中央公园溜达 - SpeakingMax英语口语达人

That's the whole thing about being a kook,I mean, being willing to be a beginner, make a fool out of oneself once in a while."

VOA: standard.2010.08.04

We did a little study once in our group testing the following hypothesis.

我们小组曾做了个研究,想要检验下述假说

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He says the jamboree is a once in a lifetime opportunity for him.

VOA: standard.2010.07.31

We have a couple of passages, one in the book of Numbers, one in the book of Job, which describe this condition in a way that identifies it with death. An aborted fetus is often not often, it happens once in the book of Job.

有两篇文章，一篇在《民数记》,一篇在《约伯记》里，描述了这种,意味着死亡的状况，比如说，一个被流产掉的胎儿就,但这些例子不多，只在《约伯记》里出现了一次。

耶鲁公开课 - 旧约导论课程节选

Every once in awhile, the rangers must crack down on reckless pilots of air boats that skim across the swamp, endangering themselves and others and tearing up delicate foliage.

VOA: standard.2010.03.29

So rather than go through this again a whole third time, I've gone through it once in quantities and once in prices, I'm going to get you guys to do it this time by having you do it on a homework assignment.

与其从头到尾再做第三遍,我已经从产量和价格角度从头到尾做过了,我将让你们自己,在家庭作业中完成这个工作

耶鲁公开课 - 博弈论课程节选

"Indescribable,unbelievable, everyone should experience this feeling once in a lifetime,".

VOA: standard.2009.08.05

So after about a month, I started to, once in a while, experience some envy toward David.

一个月后，我开始偶尔，对David产生一种嫉妒。

哈佛公开课 - 幸福课课程节选

Adang Surahman, an earthquake engineering expert at Indonesia's Bandung Institute of Technology,says most of Jakarta's high-rises have been built to withstand what scientists refer to as the once in 500-year quake.

VOA: standard.2009.09.07

t look the same to you, because your brain is correctly interpreting them as what once in a shadow, as sending, say a thousand photos per second into my eye.

但是，大家看起来却不一样，But，they，don’,因为你们的大脑正确地给予了解释,处于阴影当中，每秒钟向你的眼睛发出一千张图片。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

But once you start publishing things in between covers, you actually have to decide what goes in and what goes out.

但一旦你开始把书籍加上封面出版，你就必须决定要出版哪些书。

耶鲁公开课 - 新约课程节选