Retroflex

卷舌音

A term used in the phonetic classification of consonant sounds on the basis of their place of articulation: it refers to a sound made when the tip of the tongue is curled back in the direction of the front part of the hard plate. The degree of retroflexion varies considerably between sounds and dialects.

语音学按发音部位给辅音分类的术语，指舌尖朝硬腭前部方向向后卷发出的音。不同的音和方言卷音的程度有很大区别。