名词
中文翻译：Unknown
同义词：
['normalhearingthreshold', 'normalauditorythreshold']
例句：
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1.The researchers found that the normal hearing threshold for this frequency range was 80 decibels.
研究人员发现，这个频率范围的正常听觉阈值是80分贝。
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2. The hearing test revealed that her normal auditory threshold had been exceeded.
听力测试显示，她的正常听觉阈值已被超过。
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3. The doctor explained that the normal hearing threshold is crucial for maintaining good hearing health.
医生解释说，保持正常听力阈值对于维护良好的听力健康至关重要。