semi-automatic audiometer

例句：

1. 1. This semi-automatic audiometer is used to measure the hearing ability of children.
   这个半自动听力计用于测量儿童的听力能力。
2. 2. The doctor used a semi-automatic audiometer to test the patient's hearing.
   医生使用一个半自动听力计来测试患者的听力。
3. 3. The patient was able to hear the doctor's instructions with the help of the semi-automatic audiometer.
   在半自动听力计的帮助下，患者能够听到医生的指示。