The unusually long period of cold weather has shown how even warm climates can sometimes freeze over.

VOA: special.2010.01.12

I'm hot, compared to the air of the room, or cold if I'm somewhere that's warm.

我相对于室内的空气是热的，或是冷的如果我呆在一个温暖的地方。

麻省理工公开课 - 热力学与动力学课程节选

because at home, it's really warm, and here, it's really cold. So that was important.

因为家里很暖和，而这里很冷。所以这很重要。

沟通很重要 - SpeakingMax英语口语达人

Weezer members said they were warm in the cold studio and could still play their instruments.

VOA: special.2009.11.20

The resurgence of that relationship is a little Romantism in the cold war years when the Soviet Union and India were very warm...had warm relationships, integrated to each other.

印美关系的复苏,在冷战年代完全是理想主义,当时苏联和印度,还保持着非常良好的关系，交往密切。

普林斯顿公开课 - 国际座谈会课程节选

Cold weather moves south and combines with the last of the warm air from summer.

VOA: special.2009.06.09

It's pretty cold in San Francisco, warm here.

旧金山挺冷，但是这里很暖和。

洛杉矶和旧金山的差异 - SpeakingMax英语口语达人

During spring, warm air moves north and mixes with cold air remaining from winter.

VOA: special.2009.06.09