一些助听装置也是通过骨传导将声音传至耳蜗，但有的需要钻颅骨放置钛棒，还有的需要戴累赘的耳机。

Some existing hearing AIDS also use bone conduction to transmit sounds to the cochlea, but these either require a titanium post to be drilled into the skull, or rely on cumbersome headsets.

youdao

一些助听装置也是通过骨传导将声音传至耳蜗，但有的需要钻颅骨放置钛棒，还有的需要戴累赘的耳机。

Some existing hearing AIDS also use bone conduction to transmit sounds to the cochlea, but these either require a titanium post to be drilled into the skull, or rely on cumbersome headsets.

youdao