mutes
n.
哑巴( mute的名词复数 );
（乐器上的）弱音器;
例句:
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Acupuncture treatment has enabled many mutes to speak.
针剌疗法使许多哑人获得了讲话能力.
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One can better communicate with deaf - mutes with good sign language.
掌握好手势语可以更好地和聋哑人交流.
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These mutes make quiet practicing an option on the drum set.
用这些消音器来安静地练习架子鼓是一个不错的选择.
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They just used to be called deaf mutes and worked performing repetitive tasks.
来自SA
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He played in street parades, and with his own small band, gaining a reputation as a master of the use of mutes.
来自BBC
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It automatically mutes the TV speakers and allows you to control the volume on the earbuds or any other headphones you choose.
来自WSJ