retroflex
adj. 向后弯曲的，后屈的；卷舌的，卷舌音的
n. 卷舌音
v. 向后弯曲，反折；卷舌（发音）
例句
Her words sound a little retroflex, they are quite pleasant to hear.
她说话有点儿卷舌，挺好听的。
Retroflex suffixation of place names is a very common phenomenon in Beijing.
北京地名的儿化现象十分普遍。
Indian accents can be characterized by the fact that speakers retroflex their consonants.
印度口音的特征是，讲话人用卷舌音读辅音。
