“声音的”造句

他精通机械,了解许多有关声音的知识。
He was a very mechanical person, who knew a lot about sound.

这个声音的声波如图B所示。
The sound waves of the voice could be diagramed as in B.

听自己声音的录音回放对特德可能会有帮助。
Ted might benefit from hearing his own voice recorded and played back.

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