retroflexion edition韵编本
retroversion retroflexion后屈
Magical retroflexion神奇翻转
Retroflexion star翻转星
left or right retroflexion左右侧屈
trunk retroflexion seat货箱翻转座
retroversion - retroflexion后屈
de-retroflexion平舌化
R-ending Retroflexion儿韵
N(名词) the act or condition of bending or being bent backwards 反曲