Dentists say it is important to find soft toothbrushes made especially for babies and to use them very gently.

VOA: special.2009.03.11

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

It is, of course, important if you use animal testing to treat the animals with as much dignity as possible.

如果要用动物做实验的话，请给予这些动物最大的尊严，我认为一点十分重要。

需要动物实验吗？ - SpeakingMax英语口语达人

When this happens,he said, money is withdrawn from the people's use and kept in the public treasury, where it does no good.

VOA: special.2010.05.20

And in terms of equations that we use, it's sometimes easier to plug in the fact, since momentum is equal to mass times velocity.

在我们使用方程这方面，事实上有时是很容易代入的，因为动量等于质量乘以速度。

麻省理工公开课 - 化学原理课程节选

It is surprising how many expressions that Americans use every day came from the card game of poker.

VOA: special.2009.11.22

So, when there is extra glucose you want to put it into the cells that can use it immediately.

当有额外的糖分存在时,能迅速利用糖分的细胞就开始摄取糖分

耶鲁公开课 - 生物医学工程探索课程节选

"The good news is, the bulbs will figure it out." Do not use fertilizer for the first year.

VOA: special.2011.04.12

And the main one is, I get to just decide, how do I want to use this, and call it.

但是这真的会有一些好处，最重要的一点是，我需要决定，我要如何来使用这个方法，以及如何来调用它。

麻省理工公开课 - 计算机科学及编程导论课程节选

In many countries, it is possible to buy and use a special device that will warn when harmful levels of carbon monoxide are in the area.

VOA: special.2010.02.02

It is necessary, he says, for the prince to know well how to use the beast and the man, he writes.

他说，君主有必要清楚的知道,怎样去利用禽兽和人类。

耶鲁公开课 - 政治哲学导论课程节选

But he believes the best way to get more people to use the kangaroo method is for mothers like Koumba Gueye to tell others about it.

VOA: special.2009.05.25

Meanwhile, the number zero is. Alright, it's all zeros 0 so I'll--just for consistency, use four of them here, but that's just an aesthetic.

同时，数字0呢，自然，全部是,只是为了一致性，我采用四个，当然仅仅是为了美感。

哈佛公开课 - 计算机科学课程节选

"Then the structural engineers take that information and they use it to detail the building in terms of, is this going to be a steel structure?

VOA: special.2011.03.28

So if you think about it, that is the metaphor we use as we are thinking about the work that we are going to be doing.

你们想想，这个比喻就是用来,描述我们正在思考的,即将要完成的任务。

麻省理工公开课 - 媒体、教育、市场课程节选

"The thing about clay is every culture knows clay, because they use it.

VOA: special.2009.09.09

That which is holy is separate. It's withdrawn from common, everyday use.

神圣的，就是独立于普通事物之外而存在的。

耶鲁公开课 - 旧约导论课程节选

So it is not surprising that Americans still use expressions about the animals.

VOA: special.2009.07.12

It's more complicated than that but the notion is you can use these associative tools perhaps to deal with questions about fear, phobias and how they go away.

但实际情况要复杂得多,你或许可以利用这些有关的治疗方法,来理解关于恐惧，恐惧症,以及他们如何才能消失的问题。

耶鲁公开课 - 心理学导论课程节选

It is also the first vaccine designed mainly for use in Africa.

VOA: special.2010.04.20

And all we can do after we accept this nature is to first understand it through research, and then after we understand it, make the best use of it.

在接受这个本性后，我们唯一能做的,是通过研究首先来理解它，理解它后，好好地利用它。

哈佛公开课 - 幸福课课程节选

But it is safer for the scientists to use.

VOA: special.2010.05.05

As much land as a man tills, plants, improves, cultivates and can use the product of, so much is his property " He by his labor encloses it from the commons."

一个人能耕耘，播种，改良，栽培多少土地,和能用多少土地的产品，这多少土地就是他的财产,这就像是他用他的劳动从公地圈来的那样“

耶鲁公开课 - 公正课程节选

It is one the president takes seriously, and one the president is going to use his time to get right."

VOA: standard.2009.10.09

So leaving aside the specific example of beer, you think about some product that has some dimension on which it varies, and we can use this model to see how competition is going to work in that market.

把啤酒的例子放在一边,你们自己想一些在某种程度上,有所不同的产品,我们使用这个模型来研究,这个市场的竞争是怎样的

耶鲁公开课 - 博弈论课程节选

"The attitude in these states is certainly different than it use to be, and not for the better,"

VOA: standard.2009.09.01

Convention, OK, this negative sign is just a pure convention. You just got to use it all the time. If you use an old textbook, written when I was taking thermodynamics, they have the opposite convention, and it's very confusing. But now we've all agreed on this convention, and work is going to be with the negative sign here.

系统对外界做功的符号为负,这就是我们,在本课中的规定，纯粹出于统一符号的需要，有些教科书中，可能会使用相反的符号规定,注意不要混淆了，这门课上,我们将一直使用。

麻省理工公开课 - 热力学与动力学课程节选

Space Florida, the agency responsible for developing the state's aerospace sector, says it is trying to attract new industries that use space-based technologies.

VOA: standard.2010.03.18

So Empson says, Well, atmosphere, ; certainly that exists and we can talk about it in all sorts of ways; but after all, what is the use of atmosphere?

所以，Empson就说，气氛这种东西嘛，当然是存在的，我们可以用千千万万种方法来探讨它;,但是，所谓“气氛“有何作用呢？

耶鲁公开课 - 文学理论导论课程节选

To figure out even what this thing is, let alone how to use it properly. So, you know, I'm sympathetic.

就连认出这是什么东西（都很困难），更别说正确应用它了，所以我很同情这点。

经常犯的失误 - SpeakingMax英语口语达人