a sound in one ear or both ears,such as buzzing,ringing,or whistling,occurring without an external stimulus and usually caused by a specific condition,such as an ear infection,the use of certain drugs,a blocked auditory tube or canal,or a head injury

• 耳鸣，一个耳朵或两耳中的声音，如嗡嗡声或哨声，在没有外界刺激的情况下发生，通常由某种特定情况如耳朵感染、使用某种药物、听觉管道堵塞或头部受伤引起