vt. 以交叉线作出阴影
v. shade with multiple crossing pnes
1.Two are piecewise pnes, other is a crosshatch pattern.
有两双是条状的 另一双是交叉花纹的
2.And these crosshatchings they're not random imperfections, but intentionally placed etchings.
而这些交叉线 并非随机破坏 而是有意蚀刻而成