And one of the things we really try to use the Capstone project for is a stepping stone into what you are going to do with your application.

我们很想利用总结性课程,作为踏脚石，让学生,更顺利地展开应用。

哈佛公开课 - 幸福课课程节选

If it's going in a circle, you will say from now on, that it, indeed, has an acceleration, even though no one's stepping on the accelerator, of amount v^2 over R.

如果它在一个圆周上运动,你会说从现在起它其实有加速度,即使没有人去踩油门,加速度大小为 v^2 / R

耶鲁公开课 - 基础物理课程节选