You cannot optimize pictures that have a drawing type of format (vector graphics (vector graphics: The representation of graphic objects such as lines, arcs, and squares by using geometrical formulas.是什么意思_You cannot optimize pictures that have a drawing type of format (vector graphics (vector graphics: The representation of graphic objects such as lines, arcs, and squares by using geometrical formulas.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句