Inside the suitcase is a plain piece of white paper and the children were asked to draw the things they think they would need on the trip. Sometimes they get they wouldn't need.

行李箱里面是一张普通的白纸,我要求孩子们,在纸上画出他们认为必要的,旅行用品，有时候他们画出来的并不需要。

麻省理工公开课 - 媒体、教育、市场课程节选

You've taken all the proteins inside the white of the egg, for example, you raise the temperature.

对蛋清部分所有的蛋白质,比如说进行加热

耶鲁公开课 - 生物医学工程探索课程节选