The point of this exercise is not to practice your usage of the pencil or how to move your hand.

这个练习的精髓在于：不是在练习怎样用你手中的笔，或者怎样动你的手。

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A vector drawing is like a pencil drawing where you take a pencil from one point to another and connect the points with straight lines, curved lines, rectangles, and ellipses.

矢量作图更像是用铅笔画画，先拿铅笔确定一些点，然后用直线、曲线、方框和椭圆框连接这些点。

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They are held together, poised upright like a pencil standing on its point, by the recursive dynamics of coevolution.

蝴蝶和马利筋，犹如立足笔尖的铅笔，依靠共同进化的递归动态而立得笔直。

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Different from Wacom's capacitive Bamboo Styluses available for iPad, iPhone and other touchscreens, the Bamboo Stylus feel delivers a powerful combination of "active" pen and sensor technology for a digital pen experience that emulates the feel of a traditional ball-point pen or pencil.

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The Flatiron Building, for instance, materializes as a thick inverted pencil that stretches down the wall, its point extending onto the floor.

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The point is that in a civil case you just (and I agree, this is a pencil sketch, no more, of the situation) need to be shown to have been breaching copyright and IP.

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