And I have purposely made the arrow shorter to indicate that it has been slowed because we are going to argue its mass didn't change, so the only way to change its energy is to change its velocity.

我已经故意将这个箭头弄短,用来象征它变慢了,因为我们将证明它的质量没有变，只有它的能量改变了,也就是它的速度变了。

麻省理工公开课 - 固态化学导论课程节选

Does it give you the answer that you expected it to give? Often, in practical problems, you'll spend just as much time doing performance debugging. Why is it slow?

它返回了期待中的结果了么？通常,在实际的问题中你会花，同样多的时间在性能调试上,它为什么运行这么慢？

麻省理工公开课 - 计算机科学及编程导论课程节选

If it moved slower than the first one, it means it's rammed into this one.

如果它运动的比第一个慢,那么它就会撞上这个物体

耶鲁公开课 - 基础物理课程节选

What do we call the passage of music in which the beat slows down?

对于曲子中节拍慢下来的部分,我们怎么来描述它

耶鲁公开课 - 聆听音乐课程节选

We're exhausting all possibilities. And then choosing the winner. Well, that's what the slow thief tried. Unfortunately it took so long that before he finished the owner returned home, called the police and the thief ended up in jail.

我们穷举了所有可能方案,然后选择最优方案,这就是动作慢的贼的方案,不幸的是它在失主回家之前，要花上了太长的时间。

麻省理工公开课 - 计算机科学及编程导论课程节选