There was the wonder I felt when I saw a brace of mountain like, spotted, black-and-white horses clopping down a dusty road through clouds of powdered clay.

我觉到很美妙,当我望见一大群如山般高大的，黑白斑点马压过土路,我觉到很快乐。

耶鲁公开课 - 1945年后的美国小说课程节选

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