It is mixed for about 2 hours with some common chemicals and then allowed to cool.

VOA: special.2009.01.26

It is a really cool derivation.

这是真实的冷驱动。

麻省理工公开课 - 固态化学导论课程节选

That's funny. I mean, that's really cool. If someone is witty enough to do that, then it's awesome.

这确实很好笑，真的很酷！如果有人真的够诙谐能做出那种事，真的很棒！

街头艺术 - SpeakingMax英语口语达人

"This is actually a really cool piece. It's done by the Rosete-Aranda Company.

VOA: special.2009.09.23

But it's like universally known. It's like one of the best fashion schools which is like really cool.

但是，算是众人皆知吧。它是最好的时装学校之一，很酷。

和设计专业的朋友 - SpeakingMax英语口语达人

It is how the body releases water to cool the skin.

VOA: special.2010.07.27

That, it's actually almost as famous for being a cool building as it is being an art museum.

它除了作为艺术博物馆的身份被大家所知晓，同时也因很酷的建筑风格而闻名遐迩。

纽约的景点 - SpeakingMax英语口语达人

"Just watching it carry out is really cool."

VOA: standard.2010.08.03