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

Explat \Ex*plat"\, Explate \Ex*plate"\, v. t. [Pref. ex-+plat or
   plait.]
   To explain; to unfold. [Obs.]

         Like Solon's self explatest the knotty laws. --B.
                                                  Jonson.