Repeat the previous steps, but this time, use black to transparent to create shadow.

重复以前的步骤，不过，这一回，使用黑色透明创造的影子。

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In shading model, the reflective, transparent, refractive and shadow effects are considered.

在明暗处理模型中考虑了物体对光的反射、透射、折射和阴影效应。

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But shadow children's secretary Michael Gove said parents wanted clear, rigorous and transparent testing at the end of primary school.

BBC: All school Sats tests 'might go'

Is there anything other than a transparent piece of plastic to set it apart from the plethora of other touchscreen rectangles that live in the shadow of their top-tier peers?

ENGADGET