retroversion
n.
1580s, "a tilting or turning backward," noun of action or state from Latin retroversus "turned or bent backwards," from retro (see retro-) + versus "turned" (see versus).
〔蒋〕[vert，vers=turn转，-ion名词后缀] 后转，后倾，倒退，回顾
〔蒋〕[vert，vers=turn转，-ion名词后缀] 后转，后倾，倒退，回顾