Another group lived in what the researchers call an enriched environment up to 20 mice per cage,with toys, hiding places,and running wheels.

VOA: standard.2010.07.14

Then next to that north-south central hill country, you've got also running north to south, what we call the Great Jordan Rift Valley It goes the entire length of the country And the Jordan River runs through this valley.

靠近这个中心分布着南北走向山丘的国家，你看到,南北走向山谷，被称作约旦大裂谷,它贯穿整个国家的南北,约旦河流过这条裂谷。

耶鲁公开课 - 旧约导论课程节选

In general, when we wanna talk about running time, we just need a silly place holder, so we'll call it T for time.

一般情况下，当我们讨论运行时间时，需要一种表示方法，这里T表示时间。

哈佛公开课 - 计算机科学课程节选