Pencil can also be used as a simple drawing program with standard design tools like pen, brush, paint bucket and more with an unlimited canvas space.

Pencil也可以被作为一个简单的图形设计工具，它有画笔、刷子、油漆桶和一个不限大小的画布。

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To create this shadow i recommend you to create a new layer, place it under the big shape, and then with Brush tool start drawing very smoothly until you are happy with the result.

为了创建阴影，你可以新建一个图层，摆放它到大的形状的下方，然后用画笔工具画一个光滑的阴影直到你满意为止。

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When drawing with Cairo, the simplest operations are akin to choosing your medium, selecting a brush, choosing a color, thinking about the line placement, then actually drawing the lines.

在用cairo进行绘图时，最简单的操作就像手工绘画时一样：选择绘图介质，选择画笔，选择颜色，考虑线条的布局，然后进行实际绘制。

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