1. 形容詞
   無聲的, 無言的
   無發言權的
   清音的
   

   同義字詞
   inarticulate,mute,speechless
   

例句

1. He was the voiceless man of America.
2. This results in a single voiceless consonant.
3. How can I help give a voice to the voiceless ?
4. The representation of the voiceless velar stop.
5. A voiceless draft raised the hairs on his arms.
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