A deep inner-ear hearing device called a cochlear implant typically has been used only for people who are born deaf or those with severe hearing loss.

还有一种称为“人工耳蜗”的设备，它需要被植入内耳深处，通常用于天生耳聋，或听力严重丧失的人。

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The European Commission has warned that up to 10 per cent of 30-year-olds may have to wear a hearing device noun within a decade because they listen to music too loudly through headphones.

欧洲有关委员会还警告，在未来的10年内，超过百分之十的30岁的中年人会因经常听高分贝的音乐而需要配戴助听器！

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Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he quickly built his own device from an organ pipe and spectacle lenses.

伽利略并没有发明望远镜，但在1609年听到有人制造了这种光学仪器后，他很快用管风琴管和眼镜镜片制造了自己的望远镜。

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She had the Argus II implanted in her left eye in 2009 after hearing about the device through her work at the New York state Commission for the Blind and Visually Handicapped.

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Karen Thomson, 42, has been fitted with the Bonebridge device after her hearing started to fail.

BBC: bonebridge

The product at Natus that he worked on was called ALGO 3i, a device that can screen hearing for both ears simultaneously.

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