Do this when the weather is not too hot and not too cold.

VOA: special.2009.04.28

But the roles are reversed in the following passage, and this is where the text blows hot and cold.

但是在接下来的文章中角色互调了，这是文中描述冷热无常的情景。

耶鲁公开课 - 旧约导论课程节选

You see like the hot periods and the really cold periods.

你可以看到酷暑时节和寒冷时节。

关于伦敦的天气 - SpeakingMax英语口语达人

What that means is we want to run the hot reservoir as hot as possible and the cold reservoir as cold as possible.

也就是说我们希望高温热源温度尽可能高,同时低温热源温度尽可能低,从原理上说。

麻省理工公开课 - 热力学与动力学课程节选

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

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

So again, hot and cold. And in many ways, Moses sets the paradigm for the classical prophet.

所以又一次，一冷一热，在许多方面，摩西为先知塑造了一个良好的典范。

耶鲁公开课 - 旧约导论课程节选

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