I could see that the word w-a-t-e-r meant something wonderful and cool that flowed over her hand.

VOA: special.2009.11.08

I want to cool a gas with a Joule-Thomson experiment, what temperature do I have to be at?

给气体降温时,需要到达什么温度？

麻省理工公开课 - 热力学与动力学课程节选

the -- no, I'm not going to cool down, 3 in this case here.

一步，路径。

麻省理工公开课 - 热力学与动力学课程节选

- I like this one.- ANGELA: That's cool. But, like, I don't know aboutthe one-shoulder thing.

VOA: standard.other

But one that I was very interested in was biology, and the reason was we did a lot of cool labs in high school, I loved doing the dissections -- it was very interesting to me to think about how different organs worked, how the heart could be a pump, how the lungs worked.

但当时我很喜欢生物学，因为我高中做了很多很酷的生物实验,我很喜欢解剖-,我觉得了解不同器官,怎么工作很有趣,像心脏怎么泵血。

麻省理工公开课 - 化学原理课程节选