Because the same effect happens with line drawings, nonsense, words, basic shapes, photographs and sounds.

因为同样的效果也会发生在线条画、废话、单词、基本形状、照片和声音上。

One test involved looking at a line drawing for 10 seconds and then trying to reproduce the figure immediately afterward.

其中一种测试包括观看线条画10秒钟，然后立即让她们试着重新画一遍。

It was painted black with gold line drawings on it.

它被漆成黑色，上面有金色的线条图。

Once all of the points have been converted from 3D to 2D, we can use the regular 2D line drawing function to connect the dots… literally.

一旦所有的点都从 3D 转换为 2D，我们就可以使用常规的 2D 线图功能来连接点… … 字面意思。