劍橋詞典a way of changing the sound of notes played on an electric guitar , trumpet , or trombone to make them sound like a human voice saying "wah", or a device that produces this effect （縯奏電吉他、短號、小號等時發(fā)出的）“哇哇”聲；“哇哇”聲發(fā)生器 返回 wah-wah