EAR-SWITCH Earphone Switch 听筒开关
EAR-SW Earphone Switch 耳机开关
ear switch
耳朵开关
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The proposed idea would convert speech to text and back, using the switch to remove any unusual pronunciation or too-quick talking before it reaches the listener's ear.
ENGADGET: Apple seeks patent for hearing aids that deliver speech at an even keel
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