每一个设计都是为了在某种程度上改变声音，首先至少在电吉他上是这样，让声音更大。

Each design was intended to alter the sound in some way, at first at least with the electric guitar, to make it louder.

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为了解释气囊如何改变声音，de Boer博士制作了口腔、舌和喉的塑料模型，并压入空气使之发出不同的元音。

To find out how having an air sac changed the sounds produced, Dr DE Boer created plastic models of the mouth, tongue and throat and forced air down them to produce different vowel sounds.

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他在个人表演上的受欢迎度，比起在乐队时毫不逊色，而在变声后仍然维持着高人气，这对于童星来说更是绝无仅有的。

He was as popular a solo act as he was a band member - almost uniquely for a child star, he retained his popularity even when his voice changed.

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