non-reflecting       
adjective (also nonreflecting) uk/ˌnɒn.rɪˈflek.tɪŋ/ us/ˌnɑːn.rɪˈflek.t̬ɪŋ/
 不反光的
A non-reflecting surface does not send back light that shines on it.
  The room contained a huge cabinet with trophies and newspaper clippings locked behind nonreflecting glass.
 Her new computer is housed in a non-reflecting black case. 她的新电脑被安置在一个不反光的黑色箱子里。 
  - More examples
 - The non-reflecting glass absorbs light and gives depth to the surface.
 - These glazes have a non-reflecting surface which contrasts with the shiny glazes.
 - The poles were constructed using nonreflecting metals.
 - The screen of the computer is made of nonreflecting glass.