spe·cial ef·fects
noun/ˌspeʃl ɪˈfekts/
/ˌspeʃl ɪˈfekts/
(also SFX)
[plural]- unusual or exciting pieces of action in films or television programmes, that are created by computers or clever photography to show things that do not normally exist or happen
（电影或电视节目的）特技效果