Pencil is, at first glance, a drawing tool that presents you with a document to work within, and tools, shapes and widgets to work with.
第一眼看上去，Pencil呈现在你面前的就是一个绘图工具，有一个文档窗口在里面工作，还有用来工作的工具、图形、挂件等。
When I first used it, I used only the drawing features and associated shapes, but it comes with a large set of widgets and prototyping tools, worth getting to know.
当我第一次使用的时候，仅仅用到了绘图特性和相关的图形，不过它自带了大量的小工具和原型设计工具，值得去了解一下。
This extraordinary space drawing is a moment of Picasso's brilliance when faced with new visualization shapes and techniques.
这种非凡的空中绘画是毕加索面对一种新的虚拟形状和技术瞬间产生的灵感。
Suppose you are programming a drawing or CAD program that deals with a variety of shapes; in particular, you want to be able to combine two shapes in a way that depends on both of the shapes involved.
假定您正在编写处理各种形状的绘图或CAD程序；特别是，您希望能用某一种方式合并两种形状，这种方式取决于所涉及的这两种形状。
Ing on top of the line drawing and defining shapes only with value.
我们现在是在描画的线条和一些有用的图形上绘制。
Ing on top of the line drawing and defining shapes only with value.
我们现在是在描画的线条和一些有用的图形上绘制。
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