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So any electric current will then cause the fibers to vibrate. The fibers could act as a microphone or a speaker, depending on whether the vibrations were being recorded or amplified.

所以任何电流都会引起纤维振动，这时纤维就可以像麦克风或者话筒一样工作，当然这也取决于振动是否被记录或者放大。

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A microphone apparatus having excellent frequency characteristics and a high-fidelity sound pickup capability in consideration of the current conditions.

考虑到当前的情况，一种麦克风设备具有优秀的频率特性以及高保真 的声音拾取能力。

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The current iteration of Google Glass has a camera and microphone for audio and video recording, a touchpad for navigation and a gyroscope, accelerometers along with other sensors.

FORBES: The Project Glass Presentation at Google I/O Might Have Been Awesome, But The Product Doesn't Seem As Exciting Yet