One sign of hope is a new way to make the natural defenses of mosquitoes resistant to the Plasmodium parasite.

VOA: special.2010.04.20

A Christmas tree, in other words, is a sign that can only be understood intelligibly in terms of a certain cultural understanding.

也就是说，它仅仅用于，也仅仅在一定的文化背景中,才能有意义，被理解。

耶鲁公开课 - 文学理论导论课程节选

And that's where like, in Phase One, you can only sign up for 10 units worth of classes.

比如说，在第一阶段，你只能报10个学分的课程。

关于授课系统 - SpeakingMax英语口语达人

He said they would rise up at the first sign of a leader who wished to break their chains.

VOA: special.2009.06.18

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

Do you like it or would you prefer something shorter? A shorter name would be more convenient on a sign.

VOA: special.2009.09.20

No, we call that work positive work. All right, so that means we need to put a negative sign right here, by convention.

历史上有过不同的习惯，这里我们规定,如果环境对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

He decided it was a sign that he needed to make his dream of being a building designer a reality.

VOA: special.2010.04.14

And human language uses this amazing trick described by Ferdinand de Saussure, the great linguist, as "The arbitrariness of the sign."

人类语言使用这些,被语言学家费迪南德·德·索绪尔,称之为"符号任意性"的神奇把戏

耶鲁公开课 - 心理学导论课程节选

Yellow or brown areas shaped like the letter V on leaves may be a sign of black rot infection.

VOA: special.2009.03.03

If you give a sign, on top of the number, that takes care of all ambiguity in one dimension.

如果你在数字前加一个符号,就把一维运动的所有的歧义解决了

耶鲁公开课 - 基础物理课程节选

It could be a sign that GM has recovered from the bankruptcy and restructuring it went through last year.

VOA: special.2010.11.17

So you may take this course ultimately via pass-fail or letter grade and I am more than happy to chat with you about the implications and to sign any paper work such as the stack here that you might need.

你可能希望这门课采用及格-不及格分制或者分数制,我很乐意跟你聊下,两个打分制各自的含义,也可以帮你在这里签到。

哈佛公开课 - 计算机科学课程节选

Yet another sign is struggling to find the right words to express thoughts or understand what is being discussed.

VOA: special.2009.09.15

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

For thousands of years, the eye of Horus remained as a sign of the god's help to the suffering and sick.

VOA: special.2009.03.22

I'm not sure whether we'll use the Classes server to have you sign up for discussion sections online, or whether we will do it the old-fashioned way and have you sign up on forms that we'll give you here in class.

我还没想要是用校网站,让大家在线讨论，还是用传统的,课堂讨论。

耶鲁公开课 - 新约课程节选

He says young dinosaur fossils are extremely rare, a possible sign that many of them had been eaten by attackers.

VOA: special.2009.09.01

Others point to all the problems: the anachronisms, the general lack of specificity as a sign that these are composed quite late.

其他人则提出了各种问题：,时代特色，表述不够具体,由此推断这些创作得比较晚。

耶鲁公开课 - 旧约导论课程节选

Mother set off with some of the children to look for Bill, but they could find no sign of him.

VOA: special.2009.11.28

You can go online and sign up there but you're still shopping so we're not starting sections tonight.

你可以上网去注册一下,不过既然目前还在选课阶段,所以今天晚上我们不开始章节的讨论

耶鲁公开课 - 聆听音乐课程节选

The first sign of trouble was a tiny burst of light in the western sky over the United States.

VOA: special.2009.07.22

With one swipe, I can sign on electronic screen, get rid of paper completely.

刷一下，我就可以在电子屏幕上签字，完全丢掉纸质的收据。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

The Senate must also act. The president wants to sign a bill into law by the end of the year.

VOA: special.2009.05.15

If you can read the code a year later, even code you wrote yourself, it's a good sign that you put good comments in, right?

如果你还能读懂1年前的代码，就算是你自己写的代码，这也说明了你放进去的注释,已经非常好了，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

The House and Senate versions will need to be combined into final legislation for President Obama to sign into law.

VOA: special.2010.05.21

All right, sections are on the syllabus sign up sorry on the website, sign up as usual.

小组讨论的安排在教学大纲上,哦我说错了 像平常一样在网上注册

耶鲁公开课 - 博弈论课程节选

In the nineteen forties, she was the first black woman to sign a long-term agreement with a major Hollywood movie studio.

VOA: special.2010.05.14

They said, would you sign a contract that if you had this loss the contract would pay you a certain amount of money?

他们是这样说的，你会签署一个合约,上面约定了，当你发生损失,你会得到合约中约定的赔偿金？

耶鲁公开课 - 金融市场课程节选

He didn't sign into a hotel as Peter the Great or whatever, but he would go in with a name that wasn't his.

他在酒店登记时不会签彼得大帝之类的名字,而是用一个假名来代替

耶鲁公开课 - 欧洲文明课程节选