Another example is the word siren, familiar to us as the mechanical device that makes such an alarming sound when police cars, ambulances, or fire engines approach.

另一个例子是“警报器”这个词，是我们很熟悉的一个机械装置，当警车、救护车或消防车靠近时，警报器会发出警报。

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But the microphone and chip in the device sample the incoming sound and produce an inverted wave that cancels out just the sound of the drill.

但是装置里的麦克风和芯片从传入的声音中采样，并且产生抵消牙钻声的反向波。

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Simon Morris, commercial director of Compound Security Services, the firm that produces the device, describes the sound as akin to an alarm clock going off in an upstairs bedroom.

生产这个产品的复合安全服务公司的商业主管西蒙·莫里斯，将这种声音描述成像在楼上卧房响起的闹钟一样的。

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A pickup is a device that captures the vibration of the metal guitar strings and changes them into electronic sound signals.

VOA: special.2009.09.27

Well, in Tennyson sound is the device, "the murmurous haunt"--oh, I have no memory at all today.

在坦尼森的的作品中声音扮演同样的角色，那沙沙的萦绕之声，哦不，我记混了。

耶鲁公开课 - 文学理论导论课程节选

Sony and Philips, another electronics manufacturer, worked together to create a new storage device for digital sound -- the compact disc.

VOA: special.2011.05.11

Then, this device would make sound, because it has magnetic field like light streaming.

CNN: Interview with Nelson Shin

As a point scoring device in the sound-bite driven immediacy of a TV studio debate, it's quite useful.

BBC: Global warming: Andrew Pendleton and James Delingpole

It invented a sophisticated device that emits sound waves in a lethally focused beam of energy but never proved that ultrasound provides long-term relief or is more effective than existing procedures.

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