On Wednesday he named Nancy Killefer to a new White House position - Chief Performance Officer.

VOA: special.2009.01.09

A Yahoo! Finance page, you see a search box or a box on the very prominent position.

比如在雅虎财经页面十分显目的位置,会看到一个搜索框。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

The similes work not to sew everything up but make it impossible for us to maintain anything like the official position on a moral distinction between heavenly good and satanic evil.

这些比喻不是为了简单的拼凑，而是让我们不能,维持住任何天堂之善与撒旦之恶之间的,清晰的官方界限。

耶鲁公开课 - 弥尔顿课程节选

"Multilateral diplomacy has regained a central position, with emphasis on the role that the United Nations and other international institutions can play.

VOA: standard.2009.10.09

So, I'll also put this up on Wednesday, and by Wednesday you might have a bit of a better -be in a better position to answer this question.

我周三的时候还会给大家呈现这个,也许到周三的时候,你们就能更好地回答这个问题了

耶鲁公开课 - 心理学导论课程节选

"I call on the United Nations to provide support, for the civilized nations of the world to maintain a firm position against barbarity.

VOA: standard.2009.09.29

There are more than 20 amino acids that make up the biological polymers called proteins, so there are 20 choices of each amino acid at a position on a protein.

而那些称为蛋白质的生物活性多聚体,是由二十种不同氨基酸所构成,因此每个蛋白质的,任意位点都有多达二十种氨基酸可供选择

耶鲁公开课 - 生物医学工程探索课程节选

These strong statements opposing the practice represent a new U.S.government position on the issue.

VOA: standard.2010.07.21

The rate and pace of change in the industry is such that it's always kind of a jump ball environment where companies are not able to hang on to a great position for a super long time.

这一行变化的速度,就是这样,总处于一种跳球环境中,公司不能,永远处于不败之地。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

He said his position was based, in part, on a World Health Organization report that outlined the many health problems facing South Africa and other nations on the continent.

VOA: standard.2010.05.17

So, a protein that has tyrosine and it has tyrosine in a position such that it's on the outside of the protein and accessible to chemical reaction can be phosphorylated.

所以,一种蛋白质中含有酪氨酸,并且该酪氨酸位于,像蛋白质的外侧这样的位置,这样才能够发生磷酸化反应

耶鲁公开课 - 生物医学工程探索课程节选

The U.S.position on developments in Pakistan was a major topic at Wednesday's State Department briefing, where reporters pressed spokesman Robert Wood about Washington's view of Thursday's planned demonstration and the government crackdown.

VOA: standard.2009.03.11

Rather than by forming an image or a picture you put electrodes on the surface of the body and measure the electrical potential as a function of position on the body.

它并不对人进行直接的造影,而是将电极放到身体表面,通过测量该位置电势能,表征该部位的生理状态

耶鲁公开课 - 生物医学工程探索课程节选

But if the Tehran government chooses not to engage on the nuclear issue, that would put the United States in a stronger position to seek "other ways" of applying pressure on Iran.

VOA: standard.2009.09.11

In each of these cases the figure who stands ab extra, from outside, is an observer, an observer looking in and interpreting the action before him and an observer in a position presumably to make some kind of moral judgment on the action taking place.

在每个例证中，处在明喻本身之外的人，都是一个观察者，一个,向内展望并且解说他眼前的进展的观察人,一个似乎是要对发生的事情作出某些道德评论的观察人。

耶鲁公开课 - 弥尔顿课程节选

They look like an extra-large version of the World War Two jeep, but enclosed, with small blast-proof windows, a protected machine gun position on top and a variety of high-tech gear inside and out.

VOA: standard.2009.11.02

Some proteins can be switched from an 'off' position where they don't do anything to an 'on' position where they now do something by only a chemical reaction like this where a phosphorous is added.

一些蛋白质可以从关闭状态的,无所作为,到成为开启状态后,执行某种功能,中间只发生了一个引入磷酸基的化学反应

耶鲁公开课 - 生物医学工程探索课程节选

"We have always offered this. If they were to help us help them, then the secretary-general would be in a position to go all out on the sanctions issue, humanitarian support, even reconstruction and development.

VOA: standard.2009.08.11

If that protein is an enzyme then you've and you've switched it from an 'off' position where it's not catalyzing a reaction to an 'on' position where it is, you've changed the biochemical state of the cell, you've changed the chemical reactions that can occur within the cell, and you've changed its behavior.

如果这种蛋白是一种酶的话,你就能够将酶从无催化作用的静息态,激活至能催化反应的激活态,你改变了细胞的生化状态,也改变了细胞内发生的化学反应,改变了细胞的行为

耶鲁公开课 - 生物医学工程探索课程节选

But by continuously linking this in a public way and in taking a firm position on it, they make it much more difficult for him to move away from sites in Poland and the Czech Republic,".

VOA: standard.2009.07.15

At talks Tuesday with Mr.Medvedev, Clinton failed to secure support for tougher sanctions on Iran, despite U.S.President Barack Obama's decision to scrap plans for a missile shield in central Europe a concession to Russian concerns that Washington had hoped would encourage Moscow to back its position on Iran.

VOA: standard.2009.10.14

"It is a double track approach,of course, to have a very clear position on sanctions, not only on Security Council, but specific new measures from the European Union on the financial side - on the oil and gas sector, in all elements that can give to Iran a very clear message that they have to move and respond to the requirements of the international community."

VOA: standard.2010.07.28