资料来源 : pyDict

插话,诡计,次要情节

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

Underplot \Un"der*plot`\, n.
   1. A series of events in a play, proceeding collaterally with
      the main story, and subservient to it. --Dryden.

   2. A clandestine scheme; a trick. --Addison.