阐述

闡述
chǎnshù
  1. to expound (a position)
  2. to elaborate (on a topic)
  3. to treat (a subject)

CEDICT

Entry Composition

1 阐 chǎn
  1. to express
  2. to disclose
  3. to enlighten
  4. to open
2 述 shù (bound form) to state; to tell; to narrate; to relate