The image below shows an exaggerated example of this. Also areas that fall into shade can have a heavier line.

下面的图像夸张的展现了这一情况。当然，阴暗的区域也可以用粗的线条。

youdao

The image below shows an exaggerated example of this. Also areas that fall into shade can have a heavier line.

下面的图像夸张的展现了这一情况。当然，阴暗的区域也可以用粗的线条。

youdao