1. Taiwan's Mandarin force is not without retroflex? 台湾的国语力是不是没有卷舌音？
2. This thesis presents a research on recognizing the retroflex and non-retroflex speech sounds for Mandarin Chinese. 本论文是针对华语捲舌音与非捲舌音辨识之研究。
3. In TCFL(Teaching Chinese as a Foreign Languages, we have failed to attach enough importance to the teaching of retroflex finals. 在对外汉语教学中，如何有效地进行儿化教学，这个问题一直没有引起足够的重视。
英英解释
v.
1. bend or turn backward
2. articulate (a consonant) with the tongue curled back against the palate adj.
1. bent or curved backward
2. pronounced with the tip of the tongue turned back toward the hard palate
