apho·nia /(ˌ)eˈfoniə/
失聲,無聲
apho·nia /(ˈ)eˈfonɪə/ 名詞
失聲,失音
A·pho·ni·a Aph·o·ny n. Med. Loss of voice or vocal utterance.
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aphonia
n : a disorder of the vocal organs that results in the loss of
voice [syn: voicelessness]