A BTU is the amount of heat energy needed to raise the temperature of about one-half kilogram of a substance by one degree Fahrenheit.

VOA: special.2010.11.23

And then maybe I raise the temperature to whatever, room temperature, maybe 20 degrees hotter than room temperature. And I again say OK, now how much heat do I need to raise this thing's temperature by 1 degree?

我可能把温度升到，比如室温,或者比室温高20度之类,然后我再说，好,现在要把这个东西的温度,升高一度需要多少热量？

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You've taken all the proteins inside the white of the egg, for example, you raise the temperature.

对蛋清部分所有的蛋白质,比如说进行加热

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Raise the temperature, and now entropy plays a bigger role.

升高温度后,熵就开始起作用了。

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