And the temperature scale that turns out to be well-defined and ends up giving us the concept of an absolute zero is the ideal gas thermometer.

比如理想气体温标,它有精确的定义,并能引出绝对零度的概念,今天我们就先来谈谈它。

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Now, if this all seems like arcane and irrelevant detail, let's just see why this matters in the picture, and then we'll leave soccer, at least for today.

如果你觉得这些听起来稀奇古怪,且它们与你毫不相干,那我们就来看看这个图像吧,以后我们不讨论足球了,至少今天是不会讨论了

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But it's a very interesting topic, so today we're going to talk about how do you measure what people eat, and you're having some experience that yourself with the daily plate dietary assessment.

这个话题实在有趣,所以今天我们要讲如何评估人们吃的东西,你们就能学到一些知识,来做自己的日常的饮食分析

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This will frame our discussion today.

我们今天就主要来讨论这些问题

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