操演 [－－]

Jyutping cou1 jin2
Pinyin cāo yǎn

Definitions (CC-CEDICT)
  1. drill
  2. exercise
  3. demonstration
  4. to demonstrate
Definitions (Wiktionary)
  1. verb
    to drill; to exercise
    (syn.) 演习, 操练, 演習, 操練