When I am looking at that wall, its photons are hitting the wall and coming back to me.

当我盯着墙看的时候，光子撞击墙面,又回到我眼中来。

麻省理工公开课 - 固态化学导论课程节选

we just put the wall back up

我们后来把墙扶起来了，

在工作室发生的事 - SpeakingMax英语口语达人

I tie a spring to my back and I anchor it to the wall and see how much the spring stretches before the two forces balance.

我把弹簧一端系在背后,另一端固定在墙上,观察两个力平衡时弹簧的伸长量

耶鲁公开课 - 基础物理课程节选

Mr. Carl Icahn: The career you're asking about I went down to Wall Street back in -- way back in the '60s and I thought I was really--I had gone to Princeton, a really good school.

卡尔·伊坎先生：你们所想知道的有关于我职业的问题,我在--在二十世纪六十年代，去了华尔街,我觉得我真的-我在普林斯顿大学学习过，那是一个非常好的学校。

耶鲁公开课 - 金融市场课程节选