When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

VOA: special.2011.01.11

I'm hot, compared to the air of the room, or cold if I'm somewhere that's warm.

我相对于室内的空气是热的，或是冷的如果我呆在一个温暖的地方。

麻省理工公开课 - 热力学与动力学课程节选

You can feel something cooling off right. I mean simple examples of these happen when you you know, if you buy cold or hot packs.

可以立即反应的东西,你可以感到有的东西会冷却，对吧？,我是说，举个简单的例子。

麻省理工公开课 - 热力学与动力学课程节选

He didn't want to see his ugly bedroom or the cold bathroom with its cracked mirror and gray floor.

VOA: special.2009.04.04

So let's imagine we're playing the game again, once again you're going to the movies, once again the first one didn't happen so you didn't for some reason it was cancelled that night because someone had a bad cold or something.

我们再来进行一次这个博弈,假设你们又要一起去看电影,由于种种原因,第一天晚上你们都没有看成,假装因为有一个人感冒了

耶鲁公开课 - 博弈论课程节选

But there is an expression to get cold feet that has nothing to do with cold or your feet.

VOA: special.2009.12.13

In fact, there's a rabbinic image, there's a rabbinic tradition that talks about this period of time, and has God and Moses talking, and God says: Listen, between the two of us, whenever I blow hot, you blow cold, or when I pour hot water, you pour cold, and when you pour hot, I'll pour cold, and together we'll muddle through, and get through here.

事实上，这里有一个与犹太律法相关的意象，犹太律法传统,描述了这段时间中，上帝和摩西又一次谈话，上帝说：“听着，在我们两个人中间，当我吹热风，你要吹冷风，当我泼热水，你要泼冷水，当你泼热水的时候，我们泼凉水,我们将一起应付各种情形。

耶鲁公开课 - 旧约导论课程节选

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

Or you get a cold, the cold virus takes hold, the viruses start replicating inside of you and it takes some time for immune system to gear up to eliminate it, so we're used to thinking about responses that take some time.

或者你得了感冒,感冒病毒扎根在你的身体中,病毒开始在你体内复制,免疫系统需要一定时间做好准备去消灭它,所以我们曾认为免疫反应需要一定时间

耶鲁公开课 - 生物医学工程探索课程节选

This is especially true during the winter when it is too cold or snowy to do things outside.

VOA: special.2010.03.28

Now, just to give you a sense of how cold and calculated this business was, and how in many ways the first defense or justification of slavery in America is of course it certainly is by the late Antebellum Period it is an unabashed economic defense, as we'll see.

以上只是为了让你们体会到,这种交易是如何的冷酷而精明,以及战前后期第一次,美国奴隶制度的保卫与正名之战,不管怎么看,都毫无疑问,是一场赤裸裸的利益保卫战,正如我们所见

耶鲁公开课 - 美国内战与重建课程节选

He spoke for almost two hours on a cold and rainy day, without a hat or overcoat.

VOA: special.2009.01.19

That's common sense. This is part of your DNA, And then their final product is an object, a b which ends up at a temperature or a warmness which is in between the hot and the cold.

这是常识，是你的一部分，它们的最终产物是一个物体，其温度或温暖程度,介于热与,冷之间。

麻省理工公开课 - 热力学与动力学课程节选

Others die from being out in the cold or from heart attacks caused by extreme physical activity.

VOA: special.2010.01.05

Cold weather is most likely to damage or kill plants that do not have enough moisture.

VOA: special.2010.01.12

She says the best places to find meteorites are very cold or very dry places.

VOA: special.2010.07.28

Each year, many vaccines must be destroyed because they became too warm or too cold.

VOA: special.2010.02.24

Many are thought to have died of cold or hunger or in severe storms.

VOA: special.2010.03.02

People who show no human emotions or feelings,for example, are said to be cold-blooded.

VOA: special.2009.12.13

Throwing cold water also is an expression that deals with ideas or proposals.

VOA: special.2009.05.10

Visitors can also enjoy a meal or buy cold drinks and ice cream.

VOA: special.2009.11.16

Was my Princess Dejah Thoris alive or did she lie cold in death?

VOA: special.2010.07.31

"People tend to congregate and be together and the way the common cold virus is transmitted from one person to another is through handshakes,through sneezing, or coughing on one another."

VOA: special.2011.04.20