Because of this my mother used to make Jell-o that had fruit suspended in it, and the fruit doesn't sink to the bottom like you'd expect it to sink through water, but it stays suspended inside.

正因为如此,当我母亲以前做,那种加水果的果冻的时候,水果并不会沉到果冻底部来,你以为它会像在水里那样,但水果是悬在果冻里的

耶鲁公开课 - 生物医学工程探索课程节选

They would bomb it, they would burn it, they would put it in this container inside water, and see how high the water temperature raises and that would give you a sense of the number of calories that it has.

研究人员会燃烧它,放入浸在水里的量热器,然后观察水温上升了多少,我们就对这种食物热量有所了解了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选