零度

In the Antarctic, the temperature rarely rises above freezing point.

，度很少升到度以上。

Ice forms at 0'c.

摄氏度时结冰。

The temperature is below zero.

度度以下。

There is no heat for the subfreezing temperatures, and the bunks are planks of plywood attached to metal scaffolding.

他们睡木板搭成的高低铺上，虽然北京的冬夜气已经度以下，但他们的工棚当然不会有暖气。

Some controversal points, like the absolute value of entropy and the proof of the unattainability of absolute zero by means of Carnot cycle, are discussed.

本文还讨论了一般所争论的问题,如熵的值问题,利用卡诺循环证明度不能达到问题。