名词
中文翻译：听诊器
同义词：
['audigram', 'stethoscope']
例句：
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1. The doctor used a tympanograph to listen to the patient's ear.
医生使用听诊器来听病人的耳朵。
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2. The tympanograph is an essential tool for doctors during their examinations.
听诊器是医生检查时必不可少的工具。
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3. The tympanograph helps doctors diagnose hearing problems in patients.
听诊器帮助医生诊断患者的听力问题。