“声音的”的英语

“声音的”的拼音为：...

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...