retroversion

名词 retroversion:

1. a turning or tilting backward of an organ or body part
   同义词：retroflection, retroflexion
2. translation back into the original language
3. returning to a former state
   同义词：regression, regress, reversion, retrogression

ret.ro.ver.sion

n.（名词）
A turning or tilting backward.
翻转：向后转或向后倾斜
The state of being turned or tilted back.
翻转：向后转或向后倾斜的状态

来源：
From Latin retrôversus [retrorse] * see retrorse
源自 拉丁语 retrôversus [向后弯的] *参见 retrorse