The point at which the solid and the liquid are in equilibrium is called the freezing point.

固体和液体的平衡点叫做冰点。

《牛津词典》

If temperatures overnight are already very close to the freezing point, then this drop of just a few degrees can take the temperature below freezing.

如果夜间的温度已经非常接近冰点，那么仅仅下降几度就可以使温度降到冰点以下。

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Replace the boiling point with the freezing point.

把沸点，换成凝固点。

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You need a functional form that connects the value at one state of matter, the freezing point of water to another phase change, the boiling point of water.

你需要一个函数形式来,连接物质某个态对应的温度值，如水的冰点，和另一个相变,如水的沸点。

麻省理工公开课 - 热力学与动力学课程节选

A linear interpolation between the two, and then some numbers associated with them, 2 7-1/2 and 22-1/2. Why does he choose 7-1/2 as the freezing point of water?

两者之间做线性插值，一些数值随之标定，7。5和22。5，为什么他选择了7。5作为2,水的冰点呢？

麻省理工公开课 - 热力学与动力学课程节选

Water boils at different temperatures, depending on what the atmospheric pressure is; same thing for the freezing point.

丹佛和波士顿水的沸点，就不一样;,在不同的大气压下。

麻省理工公开课 - 热力学与动力学课程节选

"In wintertime, the cliff surface gets so cold that its temperature falls below the freezing point of CO2, which at low pressure goes directly to solid, " said Dr Musselwhite.

BBC: Doubts over water on Mars

If you don't want to cool off to the point of freezing, think Alaska.

CNN: ASIANOW - TIME Asia | Travel Watch | Open the Door to Cool Summer a Escape

Many London Underground lines are delayed after signal point problems caused by the freezing conditions.

BBC: Heavy snow and ice bring travel chaos across UK