backflipWiktionary 原文/ˈbæk.flɪp/构词拆解backback-前缀flipflip词干back-Back in its adverbial senses. · Situated, located, or toward the rear; backward or in reverse; in return; again.词源说明From back- + flip.释义名词noun1(gymnastics) An act of rotating one's body 360 degrees in the backward direction.2by extensionA total reversal in policy or opinion.动词verb1To perform a backflip (rotation of body).2