及物动词向后弯曲，使后屈
retrovert
1. 向后弯曲：retroversion 回退 | retrovert 向后弯曲 | retroverted 后倾的
2. 使后屈：retroversionretrovert 向后弯曲 | retrovert 使后屈 | retroverted 后倾的
verb
1. go back to a previous state
e.g. We reverted to the old rules
Synonym: revert return regress turn back