What could I do? I swung my chair and moved it upon the floor, but the noise continually increased.

VOA: special.2009.05.16

So hopefully, the first experiment he did, which I know that they certainly did do was maybe it's just background noise, right?

做的第一个实验，我相信他们肯定,是这样做的？

麻省理工公开课 - 化学原理课程节选

see people with them, and what happens here is it's supposed to be those noise cancellation headphones. All they do is they take in the ambient noise that's around it, and there's actually battery in the headphones, that then produces waves that are going to destructively interfere with that ambient noise.

我从来没有用过这个,但你会看到有人带他们,它们可以作为消噪音耳机,它们所做的就是采入,周围的随机噪声，耳机里面是，有电池的，然后它能产生和,随机噪声相干相消的声波。

麻省理工公开课 - 化学原理课程节选

Yes, but predicting what he does versus what Clinton will do or Bush is a bit too much noise Nobody would have predicted George Bush So Bill Clinton was right, voting for Barack Obama would be a roll of the dice?

我倒是想，但是要预测他的政策,比起预测克林顿，或者布什，太不靠谱了,当时谁又会想到乔治·布什是这样的总统呢,这么说，看来比尔·克林顿没说错，他说，给奥巴马投票等于在赌运气，是吗？

斯坦福公开课 - 经济学课程节选