audio frequency
柯林斯词典
1. N a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear (人耳可听见的)音频
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1. N a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear (人耳可听见的)音频