ear oximeter

例句：

1. 1. The doctor used an ear oximeter to check the patient's oxygen levels.
   医生使用耳氧饱和度计检查患者的氧气水平。
2. 2. During surgery, the nurse monitored the patient's heart rate and ear oximeter readings.
   在手术期间，护士监测了患者的心率和耳氧饱和度计读数。
3. 3. The patient was given ear drops to help reduce inflammation in the ear.
   患者被给予耳滴剂以帮助减轻耳朵的炎症。