随后它便产生逆向声波从而消除耳机信号中不需要的噪声。
It produces an inverted sound wave to cancel out unwanted noise in the headphone signal.
耳朵中的耳蜗将声波转换成大脑可以处理的神经电脉冲，从而产生听觉。
The cochlea in the ear converts sound waves to electrical impulses that the brain processes as sound.
你已经知道，声音使空气振动，从而产生了声波。
You have read that sound makes air vibrate, thus making sound waves.
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