By applying many thin coats of this adapted glaze , he achieved the smoky shadowing he became famous for .
通过使用多次调整过的薄釉层，达芬奇获得了这种让他闻名于世的朦胧阴影效果。
The telegraph then notes that with " the drying times for the glaze taking months , such effects would have taken years to achieve . "
每是电讯报后来又指出“釉干燥要花上几个月，而要达到现在我们看到的蒙娜丽莎的效果则要几年。”
At jingdezhen pigment with a very low-grade cobalt content and high in iron impurities was applied to porcelains beneath the glaze and can be hard to distinguish from underglaze iron painting ( see cat . No. 1:23 ) .
