他测量了多少人为噪音会降低观鸟爱好者识别已记录的鸟类歌曲的能力。

He measured how much the artificial noise lessened the ability of the birdwatchers to identify recorded bird songs. He recorded eight songs in the noise condition and eight songs in the quiet.

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大声询问是否还有其他人为他讨厌的举动感到厌烦。让整个电影院的人联合起来反对他的噪音对你来说是最有益的。

Ask loudly if anyone else is bothered by this boorish behavior. It's in your best interest to get the entire theater riled up against noise.

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有些噪音是电气化列车这样人为来源产生的。

Some of the noise comes from man-made sources such as electrified trains.

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They have not evolved to tolerate some of the man made sounds that have very unusual and unnatural physical characteristics. These sounds are for example explosives, industrial noise, musical instruments, power tools, and headphones.

还没有进化到能忍受,某些怪异，超出常规的人为声响,如爆炸，工业噪音,乐器，电动工具和耳机等等。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选