And,they can discover the time of death to see if it matches information given by suspects and witnesses.

VOA: special.2010.05.05

Even if they're given healthy food at the same time, they'll tend to ignore the healthy food and eat a diet like this.

即使同时给它们喂食健康食品,它们也会选择前者的食物,而不吃健康食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

What that means is, if you know the velocity of the given time and you know the initial velocity, you know what time it is.

这个方程的意义是,如果你知道某个给定时刻的速度,并且知道初速度,你就能知道运动的时间

耶鲁公开课 - 基础物理课程节选

We want to make sure that if the students would not to be given the time out to learn, we need to provide a vehicle or that they can take the advantage of learning in their world context to actually put the theory into practice.

为了确认学生是否会,腾出时间学习，我们需要提供一个工具,让他们在生活的情境中,利用学习,将理论用于实践。

麻省理工公开课 - 媒体、教育、市场课程节选

If you want to know how fast it's moving at a given time, if you want to know the velocity, I just take the derivative of this answer, which is 10-10t.

如果你想知道它在给定时刻的运动有多快,如果你想知道它的速度,我只要对这个式子求导,得到10-10t

耶鲁公开课 - 基础物理课程节选