Suppose we all go to a tall building and start throwing things at various times and various speeds.

假设我们都爬上一栋高楼,在不同时刻以不同速度抛出物体

耶鲁公开课 - 基础物理课程节选

and they have, the Rockefeller Center in and of itself is a really, really tall building.

而且，洛克菲勒本身就是一个很高的建筑。

第一次来纽约 - SpeakingMax英语口语达人

There is a tall building, a standard physics problem.

有一栋高楼,这是个标准的物理问题

耶鲁公开课 - 基础物理课程节选

An object falls off a tall building.

一个物体从一栋高楼上落下

耶鲁公开课 - 基础物理课程节选