three-dimensional
adjective uk/ˌθriː.daɪˈmen.ʃən.əl/ us/ˌθriː.daɪˈmen.ʃən.əl/ (abbreviation 3-D)
三维的，立体的
having or appearing to have three dimensions (= length, width, and height) and therefore looking real
The picture had a three-dimensional effect. 这幅图有三维效果。