There's a picture of a horse, a picture of the carriage, all glossy stuff. Then it says, "Treat the horse as a point particle."

这有一幅马的图片,一幅车厢的图片,画得很漂亮,然后告诉你,"把马看做一个质点"

耶鲁公开课 - 基础物理课程节选

We even learned the names of two oxen owned by Terzarro: Glossy and Blackie.

我们甚至也了解到特扎罗的,两头公牛的名字:,格拉希和布莱奇

耶鲁公开课 - 古希腊历史简介课程节选