aural

aural
/ˈɔ:rəl or, rarely, 罕读作 ˈaurəl; `ɔrəl/ adj
of or concerning the ear or hearing 耳的或听觉的; 关於耳的或听觉的
    an aural surgeon 耳科外科医师
    aural comprehension tests 听力测验.

牛津英汉双解词典