Then more powder is added, melting and solidifying to add layer upon layer until the object is fully formed.

然后加入更多的这种粉状材料，熔化后再凝固，层层堆积，直到最后形成要制造的物品。

youdao

You can also add layer diagrams that represent the detailed structure of this layer.

您还可以添加表示此层的详细结构的层关系图。

youdao

You should know your way around the Layers palette and know how to add Layer Styles, use Custom Shapes and Clipping Masks without much explanation.

你需要了解图层调色板和如何添加图层样式，并且会使用自定义图形和剪切遮罩。

youdao

The artist can then add a second color of glass to make designs over the first layer of glass.

VOA: special.2009.09.16

Refurbish state departments of education to give them the tools to truly reform school systems rather than add layer upon layer of new rules and bureaucratic red tape.

FORBES: NCEE Report Focuses on Teachers as Professionals, New Pay Schemes

The reason is that if this analysis is internally consistent then we ought to be able to add layer-by-layer on to it until we get to the complete analysis.

FORBES: How to Grow an Economy

When things get too complicated, engineers usually add a layer of code to conceal the chaos.

ECONOMIST: Moving up the stack