Line is the mark made by a moving point, such as a pencil or brush.

线是由动点构成的，如铅笔或笔刷。

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To assess the effects on mental function, the participants were asked to do certain paper-and-pencil tests, such as crossing off specific digits on a page of Numbers as quickly as possible.

评估对于智力功能的影响，参与者被要求做一些纸笔测试，例如尽可能快的去除数字页面上某些特殊的数字。

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Extra body movement, such as turning the head from side to side, pointing at the line with a pen or pencil, or moving the lips, should be stopped immediately.

不必要的动作，比如头不停地左右晃动，用手指或铅笔一行一行地指，或者是用嘴碎碎念等必须立即停止。

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Belonging to a class of worlds known as diamond planets, 55 Cancri e is thought to be rich in the element carbon, which can exist in a variety of structural forms such as graphite (the material used as pencil lead), graphene, or diamond.

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His job at Intel takes him to festivals and events such as the Bay Area Maker Faire, where he leads creative workshops on such activities as making digital circuits by drawing with a pencil.

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During 12-hour shoots, Oram and Lowe stayed in character in locations such as the Crich Tramway museum, the Ribblehead Viaduct, the Keswick Pencil Museum and assorted peaks.

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