資料來源 : pyDict

詳細的說明,鋪陳,詳述

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Expatiation \Ex*pa`ti*a"tion\, n.
   Act of expatiating.

資料來源 : WordNet®

expatiation
     n : a discussion (spoken or written) that enlarges on a topic or
         theme at length or in detail