The volunteers placed the plants about five centimeters into the soil to prevent rising and falling water levels from pulling them out.

VOA: special.2009.10.06

And the idea was that gravity did work on the water and falling, and that work led to the generation of heat.

焦耳的想法是,重力对水，做了功。

麻省理工公开课 - 热力学与动力学课程节选

And if I think back to my own childhood again, not that that was the glory days by any means, but I mean people weren't falling over hour after hour from dehydration because they didn't have a water bottle with them.

如果我回忆一下自己的童年,不是说我的童年有多光辉灿烂,而是我想说当时人们也没有因脱水而倒下,而因为他们没有随身携带水壶

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选