Sound was becoming more and more distorted through the use of hearing aids.

由于使用助听器，声音变得越来越失真。

《柯林斯英汉双解大词典》

According to Van der Meer, plenty of senses are activated by pressing a pen on paper, seeing the letters written and hearing the sound made while writing.

根据范德梅尔的说法，当你把笔按在纸上，看到写出来的字母，以及听到写字时发出的声音时，很多感觉都会被激活。

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Make him sit somewhere distant where he can work diligently and where you can feel grateful for his efforts - without hearing the sound of his voice.

给他安排一个离你远点儿的座位，既能让他勤奋工作，又能让你觉得自己在表彰他的努力——而且还听不到他嘀咕的声音。

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But extra wax can harden and form a blockage that interferes with sound waves and reduces hearing.

VOA: special.2010.03.31

So when we hear any particular sound, again, we're hearing an amalgam of many sounds, and the importance of each of these partials in the aggregate of sound is what gives it its particular color.

那么,当我们听到某个声音的时候,其实听到的是很多声音的混合物,混合声音中的这些分音之所以重要,就是因为它们决定了自身特定的音色

耶鲁公开课 - 聆听音乐课程节选

The result is a pair of intelligent, high-fidelity active sound-reduction earplugs that allow natural hearing when sound is safe and provide automatic protection from both loud, sustained music and sudden, loud percussive sounds.

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Future Sonics' natural noise isolation and quality sound at low volumes extends listening pleasure and greatly reduces hearing fatigue.

ENGADGET: Future Sonics debuts Atrio Special Edition professional earphones

Paul balked when he tested one by calling home and hearing his wife sound terribly metallic--carriers would never put up with that.

FORBES: Magazine Article