In April,after the first cases in the United States, officials told schools to close at the first sign of an H1N1 outbreak.

VOA: special.2009.08.05

At each cross-section, people are either willing to use a certain sign in a certain way or they're not.

在每一个横街面上，人们可以自由的,以自己的方式使用符号。

耶鲁公开课 - 文学理论导论课程节选

and... sometimes, you know, beggars will wait at the stoplight and hold the sign

然后……有时，你可能也遇到过，乞讨的人会等在红灯旁，举着一个牌子，

不做善事的理由 - SpeakingMax英语口语达人

A wedding guest told the New York Times that he had shown no sign then of being extremist or even at all religious.

VOA: special.2010.05.08

And if any of you here are nodding in agreement at these sentiments, that's not such a good sign.

如果在座有同学,点头同意这些人的观点，这可不是一个好迹象。

耶鲁公开课 - 心理学导论课程节选

The banker produced some papers and told average Joe to sign his John Hancock at the bottom.

VOA: special.2010.02.07

You always want to check your signs at the and because it's so easy to get the sign wrong, and I was hoping that it was right here because I wasn't sure, but it turned out to be right.

我们完成计算时，一定要记得检查符号,因为很容易弄错符号，刚才我就不太确定,是否弄错了符号，检查发现没有问题。

麻省理工公开课 - 热力学与动力学课程节选

It was on a sign that a student carried during a protest demonstration at a university.

VOA: special.2010.05.16

And also, for those of you that did sign up for the pizza forum tonight, that's going to be at 5 o'clock, it's in room 56-502, so we'll see some of you tonight for that as well.

另外，对于报名参加,今晚的披萨聚会的同学，请注意聚会的时间是五点整，地点在，56-502，房间，因此，我们在今晚还会见到你们中的部分同学。

麻省理工公开课 - 化学原理课程节选

C-reactive protein is an indication of inflammation in the body, and,at high levels, is considered an early sign of future heart disease.

VOA: standard.2010.03.09

If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.

如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。

哈佛公开课 - 计算机科学课程节选

The two sides are expected to establish a formal strategic dialogue headed by Clinton and Indian Foreign Minister S.M.Krishna and to sign at least two agreements flowing from the 2005 Indo-American nuclear cooperation accord.

VOA: standard.2009.07.20

It is in fact a very, very difficult and derivative act of the mind to try to forget that I am looking at a sign that says 'exit' and, in fact, just looking at what is there without knowing what it is.

事实上，试图忘记那个写着存在的标志,和只知道它存在而不知道它是什么，是非常难的事情。

耶鲁公开课 - 文学理论导论课程节选

Speaking to reporters with Irish Foreign Minister Michael Martin, Clinton said Pakistani leaders did not need her to tell them what was at stake in the political standoff, and that its resolution is a hopeful sign for the future.

VOA: standard.2009.03.16

He doesn't at first hear the horn fail to blow, and then later, when a truck pulls up behind him, he fails to hear a horn that does blow: He was looking at the sign, and he didn't hear the horn.

在一开始,是他没有注意到这点，到后来卡车停在身后时，他连响的喇叭都听不到了：,“他看着那个标牌，以至于没听到喇叭声。

耶鲁公开课 - 1945年后的美国小说课程节选

At a recent discussion about illegal drugs at the James A.Baker Institute for Public Policy at Rice University, DEA intelligence chief for the Houston sector,Gary Hale, said one sign of progress is that the cartels are seeking other sources of income, with drugs comprising only about "What does that mean?

VOA: standard.2009.12.18

dS/dV And that, now, we know must equal dS/dV, with a positive sign. At constant temperature.

我们知道这个等于恒定温度下的，符号为正。

麻省理工公开课 - 热力学与动力学课程节选

Always check your sign at the end.

一定要记得检查符号。

麻省理工公开课 - 热力学与动力学课程节选

So, what I want to do is, I want to discuss the scientific notion of language, at first restricting myself to systems like English and Dutch and American sign language and Navajo and so on.

因此,我想做的是,我想来谈谈语言的科学定义,首先我会将自己限定在,诸如英语,荷兰语,美国手语,或迪瓦霍语等语言系统之下

耶鲁公开课 - 心理学导论课程节选

And I want to stop at this point to go back to the issue -I promised you I would turn a bit to sign language and I want to describe now a very elegant --I want to show a little film now of a very elegant series of experiments looking at the question of whether babies who are exposed to a sign language, babble.

我想在这里停一下,回到之前的一个问题上,我说过我会稍微讲一下手语,我现在想要播放一小段电影,展示一系列精彩的实验,这些实验探究了暴露在手语环境中的婴儿,是否会进行咿呀学语的问题

耶鲁公开课 - 心理学导论课程节选

Gestapo agents intercepted him and demanded he sign a letter saying that at no point had he been threatened or harassed by the Gestapo.

盖世太保们拦住了他,要求他签署一份文件，上面写着,他绝没有受到盖世太保的威胁或骚扰。

耶鲁公开课 - 心理学导论课程节选