词根词缀：audio-, aud-, audi-, audit-

【来源及含义】Latin: hearing, listening, perception of sounds

【相关词根词缀】 Related "hear, hearing; listen, listening" units: acous-; ausculto-.

【同源单词】Audi alteram partem, audibility, audible, audibleness, audibly, audiclave

词根词缀：frequen-, frequent-

【来源及含义】Latin: crowded, numerous; repeated, repetition, constant

【同源单词】audio frequency, frequence, frequency, frequent, frequentable, frequentation