在一般情况下，画家在估计各部分比例时，都用这种简易方法。

Under normal circumstances, the painter in the estimation, the proportion with this simple method.

youdao

在一般情况下，画家在估计各部分比例时，都用这种简易方法。

Under normal circumstances, the painter in the estimation, the proportion with this simple method.

youdao