a person with specialized training in the science and medicine of hearing and balance

She trained as an audiologist, assessing and treating patients with hearing disorders. 她训练成为一名听力学家，评估和治疗有听力障碍的人。

Extensive testing by an audiologist showed no involvement of the ear as a cause of her dizziness. 听力学家做了全面的测试，发现不是因为耳朵而导致她的眩晕。