向后弯曲,使后屈
Retrovert \Re"tro*vert\, v. t. [imp. & p. p. {Retroverted}; p. pr. & vb. n. {Retroverting}.] [Pref. retro- + L. vertere, versum, to turn. Cf. {Retrorse}.] To turn back.
retrovert v : go back to a previous state; "We reverted to the old rules" [syn: {revert}, {return}, {regress}, {turn back}]