That's how by either balancing the unknown force with a known force or by simply measuring the acceleration as I fall towards this podium and multiplying by mass, you can find the force that exerts on me.

我们既可以让未知力与已知力平衡,也可以只测量我冲向讲台时加速度的大小,再与我的质量相乘,都能求出作用在我身上的力的大小

耶鲁公开课 - 基础物理课程节选

Their yell at the top of the world seems to Sal something that calls for a replacement; it calls for some other prophet to come walking ragged towards them and make them fall silent with his word.

他们在世界之巅的叫喊对Sal来说,似乎是在要求一个代替者;,需要另一个先知衣衫褴褛地朝他们走来,用他的话让他们安静。

耶鲁公开课 - 1945年后的美国小说课程节选