When something hot, it's got a higher temperature than when something is cold.

当某样东西是热的时，它的温度,比冷的东西要高。

麻省理工公开课 - 热力学与动力学课程节选

I mean, the weather is always nice. I mean, it never gets too cold, never gets too hot.

天气一直很好。不会太冷，也不会太热。

旧金山最棒 - SpeakingMax英语口语达人

What the cold virus does is evolve different strategies to cause it to reproduce.

感冒病毒进化成不同物种,使之得以繁衍。

耶鲁公开课 - 心理学导论课程节选

And so what I'm really doing is inviting you to take a good, cold, hard look at death, and to face it and think about it in a way that most of us don't do.

那就是我要你们做的，认清，死亡的好和坏，面对它，然后思考它,用我们从没用过的方式。

耶鲁公开课 - 死亡课程节选

The food is slow in coming out and when it's come, it's cold and not even delicious.

上菜等了半天，等到的食物却是凉的，更不用说好不好吃了。

Let's 课堂 - SpeakingMax英语口语达人

the zeroth law, which is the common-sense law, which says that if you take a hot object next to a cold object, heat will flow from the hot to the cold in a way that is well defined, and it allows you to define temperature.

上节课我们讨论了，热力学第零定律,这一定律源自常识：如果把一个热的物体,与一个冷的物体挨在一起，热量就会以确定的方式。

麻省理工公开课 - 热力学与动力学课程节选