This is where both his sfumato and chiaroscuro techniques, come into their own.

这就是他的模糊渲染和明暗对比技的地方。

Vermeer's treatment of light and shadow, or chiaroscuro, uses a dark, flat background to further spotlight her three-dimensionality.

维梅尔利明暗对照法，让黑暗单调的背景呈现她的立体感。