3D是什么意思？

3D

• n. three dimensional，third的缩写，[医][=third-degree（erythemal）dose]三级红斑剂量；
• num. ；

英英词典释义

• Noun
  1. a movie with images having three dimensional form or appearance
  2. having a three-dimensional form or appearance;
  "aren't dreams always in 3-D?"