retroflexion

汉语翻译

英语解释：

名词 retroflexion:

1. a turning or tilting backward of an organ or body part
   同义词：retroversion, retroflection
2. an articulatory gesture made by turning the tip of the tongue back against the roof of the mouth
   同义词：retroflection
3. the act of bending backward
   同义词：retroflection