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

VOA: special.2009.01.26

So there's some cool tricks people can do.

这里有很多很酷的技巧。

哈佛公开课 - 计算机科学课程节选

Some of it's really, really cool. Um, I like the street performers, who, like,

有些是非常棒的，我喜欢街头表演。

街头艺术 - SpeakingMax英语口语达人

"It is a place where kids can build their own social community online and they can really engage in some fun and cool scientific discovery and really allow them to turn their home into a lab if they choose to do so."

VOA: special.2010.12.28

I calculated in Hector Davis's account book that the biggest week he had and he had some big weeks but he had a week in 1859 where he made a cool, approximately,$120,000.00 in profit, just from selling slaves.

我计算了一下赫克托·戴维斯的会计账簿,这是他获利最丰收的一个星期,当然他有很多获利丰盈的星期,但在1859年的某个星期他大赚了一笔,仅仅在销售奴隶上,就赚到了近12万美元的利润

耶鲁公开课 - 美国内战与重建课程节选

And I just found some really cool words.

VOA: standard.2009.04.21

Some really, really cool things can emerge when you're not just stressing yourself out

你不把自己逼得很紧的时候就会有真的真的很酷的主意产生。

艺术从自由起步 - SpeakingMax英语口语达人

I can't think of names, but there are some really cool people.

我想不起他们的名字来，但是他们的确做得不错。

伯克利的特点 - SpeakingMax英语口语达人