If you bring a road map for each child, they can trace your trip in pen or crayon and draw landmarks on the map themselves.

如果你给每个孩子带一张路线图，他们可以用钢笔或蜡笔记录你的旅程，并在地图上自己画路标。

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Use the Pen Tool to trace that part as illustrated in the image below.

像下图演示的那样，使用钢笔工具描绘这一部分。

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Time to do the Disk Tray, trace its shape using the Pen Tool as illustrated in the image below.

现在是时候制作光盘托盘了，参照下图使用钢笔工具描绘其形状。

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He instructed Jillette to place a ring that he was wearing on a piece of paper and trace its outline with a pen.

NEWYORKER: A Pickpocket��s Tale