资料来源 : pyDict

反曲的;翻转的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Retroflex \Re"tro*flex\, Retroflexed \Re"tro*flexed\, a. [Pref.
   retro- + L. flectere, flexum, to bend, to turn.]
   Reflexed; bent or turned abruptly backward.

资料来源 : WordNet®

retroflexed
     adj : bent or curved backward [syn: {retroflex}]