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

Well, the other guy has got people -- I should have mentioned on the sidelines, one way or another, shooting arrows at you, throwing javelins at you, things like that.

好,对方会有人 --,我应该讲过,在侧面,从各种不同的角度,向你射箭,向你投标枪,等等

耶鲁公开课 - 古希腊历史简介课程节选