柯林斯词典tracing paper 1. N-UNCOUNT Tracing paper is transparent paper which you put over a picture so that you can draw over its lines in order to produce a copy of it. 描图纸 返回 tracing paper剑桥词典thin , transparent paper that you use for copying a picture by putting it on top of the picture and drawing over its lines 描图纸 返回 tracing paper