资料来源 : pyDict

缩进的

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

Retractive \Re*tract"ive\, a.
   Serving to retract; of the nature of a retraction. --
   {Re*tract"ive*ly}, adv.

Retractive \Re*tract"ive\, n.
   That which retracts, or withdraws.