The Justice Department says domestic violence can be defined as a pattern of abusive behavior used by one partner in any relationship to control another partner.

VOA: special.2009.02.28

One might have to do with where it's from and how it's made so that might tell us a little bit about whether something should be defined as a food.

一个是关于食品源自何处,怎么生产的,这会给我们一些参考,去判断何为食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The triple point of water is going to be defined as 273.16 degrees Kelvin.

现在的参考点是0K：,绝对零度。

麻省理工公开课 - 热力学与动力学课程节选