You've got to pretty much take that chalk, and make a slurry out of it, put water, and dry it back up, put in a mold, and then you can have the chalk again, but you can't just glue it back together.

你得尽可能地收集它的碎片，把它做成粉浆，加水然后风干，放进模具，然后你就能重新得到这支粉笔，但是你不能简单地把它粘起来。

麻省理工公开课 - 热力学与动力学课程节选

Our vehicles sink into wet roads and crush dry roads because they are too big and heavy.

我们的车子因为笨重,陷入泥路中，在干道路上被压碎。

普林斯顿公开课 - 国际座谈会课程节选

We can kind of freeze dry this thing and store it and then bring it back to life more or less exactly as the composer had intended.

我们相当于把这件作品干燥冷藏起来,并能够还原作品,比较精确地吻合作曲家的原意

耶鲁公开课 - 聆听音乐课程节选

And then they found that they could freeze-dry this preparation of virus, and freeze-drying to lower the temperature, freeze it, then extract out all the water, so you're left with a powder, basically a powdered form of the virus, that could be shipped all over the world, and then reconstituted by adding water to it.

研究者们发现可以冷冻干燥这些病毒制剂,冷冻干燥就是就是降低温度,冷冻病毒,然后提取出所有水份,然后就剩下一些粉末,这主要是粉末状的病毒,这样就能将它运往全世界,并可以通过加水来恢复病毒的活性

耶鲁公开课 - 生物医学工程探索课程节选