刚做好的馅饼冷冻之前要先把它冷却到室温。

To freeze a freshly baked pie, cool to room temperature.

youdao

低温系统需要把磁体冷却到516f的温度。

Cryogenic system cools the magnets to the temperature 516f.

youdao

可问题在于超导体至少要冷却到一百摄氏度才能工作。

The problem is they have to be cooled to at least -100 degrees Celsius to work.

youdao

You take your room temperature liquid helium and you cool it with liquid nitrogen to 77 degrees Kelvin, the new, you're not quite there yet 77k unfortunately right? Then you take hydrogen you cool it would liquid nitrogen to 77, then you can use your hydrogen gas.

首先要有常温的氦气,拿液氮把它冷却到77k，那个新来的7,你不坐在那儿，对吧？,然后用液氮把氢气降温到,然后就可以使用这个氢气了，想要用氢气来做焦耳-汤姆孙实验。

麻省理工公开课 - 热力学与动力学课程节选