视听材料 shì tīng cái liào

DEFINITIONS

  1. evidence of material seen and heard
  2. oral testimony

CHARACTERS

视 shì
HSK 1
look at, inspect, observe, see
听 tīng
HSK 1
hear; understand; obey, comply
材 cái
HSK 4
material, stuff; timber; talent
料 liào
HSK 3
consider, conjecture; materials, ingredients