perspectograph
/pә'spektә^rɑ:f; -^ræf/
📖 中文释义
- n. 透视画绘图器
📘 English Definition（英文释义）
- n. An instrument for obtaining, and transferring to a
- picture, the points and outlines of objects, so as to represent them in
- their proper geometrical relations as viewed from some one point.