When a deaf child speaks into the computer, the light would show the difference between words spoken clearly and words spoken unclearly.
当失聪儿童对着计算机讲话，信号灯随即对话语清晰与否不断作出不同反应。
When a deaf child speaks into the computer, the light would show the difference between words spoken clearly and words spoken unclearly.
当失聪儿童对着计算机讲话，信号灯随即对话语清晰与否不断作出不同反应。
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