三维空间 sānwéikōngjiān three-dimensional space Origin Definitions Defs Strokes Stroke Words Sentences Sents 三维 三維 sānwéi three-dimensional three-dimensional; 3D; specifically refers to the three dimensions of length, width, and height空间 空間 kōngjiān noun space physical space; room; the three-dimensional area in which objects exist and move