hearing mute

基本解释

If you’re hard of hearing, or just want to mute the volume on a show, Close Captioning is available as well.
如果听不清楚，或者只想关闭节目中的声音，这都没问题，你还可以关闭字幕显示。
Objective:To explore the state of the remnant hearing of deaf mute students and to check the effect of hearing aids to them.
目的：了解聋哑学生残余听力状态和配戴助听器的助听效果。
Because in the Chinese university students has "the mute English" generally, mainly is the hearing curriculum has not received takes.
因为中国大学生中普遍存在“哑巴英语”，主要是听力课程没有受到重视。
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