词根词缀:infra-, infero-, infer-
【来源及含义】Latin: under, below, beneath
【同源单词】anteroinferior, inferior, inferiority, inferiorly, infernal, infernally
词根词缀:sono-, son-, sona-, -sonous, -sonic, -sonically
【来源及含义】Latin: sound, that which is heard; noise
【同源单词】assonance, assonant, auscultatory sounds, biosonar, consonance, consonant